So I should be saying no, because in order for an offspring to be made it needs to be formed from 2 haploid gametes, each with one of each chromosome blah blag blah... However, if a nondisjunction were to occur in the gametes of both parents during meiosis, it is possible that, for example: sex chromosomes, one parent could give two chromosomes and the other could give none. It's rare, but it happens.
Sienna made a chart listing different kinds of mollusks.
Which headings correctly complete the chart?
X: Sea Urchins
Y: Gastropods
Z: Cephalopods
X: Bivalves
Y: Cephalopods
Z: Gastropods
X: Gastropods
Y: Cephalopods
Z: Bivalves
X: Cephalopods
Y: Sea Urchins
Z: Gastropods
Answer:
Im pretty sure its C. But correct me if im wrong
X: Gastropods
Y: Cephalopods
Z: Bivalves
Explanation:
Answer:
The answer is C
Explanation:
Explain how animals like and plants like protists are similar and different
Answer:
Animal-like protists and plant-like protists are both eukaryotic and live in moist environments. All animal-like protists are heterotrophic and eat other organisms. Most plant-like protists are autotrophic. Some can be both autotrophic and heterotrophic, while a few are completely heterotrophic. All animal-like protists are unicellular, while plant-like protists can be unicellular, multicellular, or live in colonies. Most animal-like protists can move, while only some plant-like protists can move.
Explanation:
Plant-like protists and plants are both autotrophic, using photosynthesis, with examples such as algae. Protists differ from plants in their simpler structures and more variable life cycles. Protists play vital ecological roles as primary producers, decomposers, and sources of nutrition in food webs.
Plant-like protists and plants share the characteristic of being autotrophic, meaning they both use photosynthesis to convert sunlight into energy. An example of multicellular plant-like protists are algae, which also contain chloroplasts like plants. However, plant-like protists are different from true plants in that they do not have a complex structure of roots, stems, and leaves, and their life cycles can be more variable. Many of them are unicellular or form simple colonies.
Ecological Importance of Plant-like Protists
Plant-like protists play a critical role in their ecosystems, serving as primary producers and thus forming the base of the food web in aquatic environments. They are responsible for producing a significant portion of the world's oxygen, and they can also impact the carbon cycle through their photosynthetic activities.
Diversity among Protists
Protists are a diverse group of organisms that can be plant-like, fungus-like, or animal-like in nature. Fungus-like protists such as slime molds absorb nutrients from decaying matter, while animal-like protists may actively hunt or ingest their prey. Protists can also reproduce in a variety of ways and can include pathogenic species that cause diseases in humans and plants. Additionally, protists serve as an important food source and some are known as saprophytes, playing a role in the decomposition process.
Which observations would be most helpful in identifying this spider? Check all that apply.
It is shiny black.
It has a red spot on its abdomen.
It has eight legs.
It has a round, plump abdomen.
It has a hard exoskeleton.
Answer:
A, B, D
Explanation:
Important observations for spider identification include a shiny black color, a red spot on the abdomen, eight legs, a plump abdomen, and a hard exoskeleton. A red spot, especially shaped like an hourglass, often indicates a black widow spider.
To identify a spider, certain observations are most helpful. Observations such as a shiny black color, a red spot on the abdomen, the presence of eight legs, a round plump abdomen, and a hard exoskeleton would all contribute significantly to spider identification. Notably, the red spot on the abdomen is distinctive of the black widow spider, which is known for its venom that can be toxic to humans. All spiders, as arachnids, possess certain characteristics such as eight legs, which distinguishes them from insects. Distinguishing features like leg length, hairiness, and relative size of body segments can assist in classifying spiders into groups.
9. What type of cellular respiration requires oxygen?
Answer:
Cellular respiration can occur both aerobically (using oxygen) and aerobically (without oxygen).
Explanation:
During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as by-products.
In cellular respiration, glucose and oxygen react to form ATP. As by-products, water and carbon dioxide are released.
In cellular respiration, glucose and oxygen react to form ATP. As by-products, water and carbon dioxide are released.
The three stages of aerobic cellular respiration are glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation.
Which are deuterostomes?
A. flowering plants
B. humans
C. fungi
D. slime molds
Answer:
humans
Explanation:
Genes are strands of ________ found on chromosomes in the nucleus of a living cell.
A
mutations
B
DNA
C
minerals
D
cells
In fungi, which is a disadvantage of asexual reproduction as compared to sexual reproduction?
Asexual reproduction requires ideal environmental conditions.
Asexual reproduction results in offspring that are genetically unique.
Asexual reproduction requires the production of spores.
Asexual reproduction results in fewer offspring.
Answer:
A
Explanation:
In what two ways do plants keep our climate stable over time?
Answer:
Through transpiration and use of carbon dioxide (green house gas)
Explanation:
Plants help in making the climate stable in following two ways –
a) Temperature offsetting – Plants take in carbon dioxide from atmosphere and thereby reduces atmospheric carbon. Due to reduction in greenhouse gases, the temperature reduces.
b) Moisture regulation – Plants transpire through their leaves. Through transpiration, they release water as vapor and cool down the air. The higher the vegetation , the more is the transpiration.
two parents of unknown genotype’s are crossed. All of the offspring that are produced are heterozygous round. What are the genotypes of the parents?
Answer:
RR x rr
Explanation:
To have all heterozygous offspring, both parents must be homozygous so each combination of characters is the same
RR x rr -> Rr, Rr, Rr, Rr
There are two main groups of flowering plants: monocots and dicots. One of the differences between the groups is the structure of the leaves.
Which statement accurately describes the characteristics of monocot and dicot leaves?
Monocot leaves have branched veins, while dicot leaves have straight veins.
Monocot leaves are like needles, while dicot leaves are flat.
Monocot leaves have straight veins, while dicot leaves have branched veins.
Monocot leaves are flat, while dicot leaves are like needles.
Answer:
its C
Explanation:
Answer:
c
Explanation:
TRUE or FALSE Q:Groundhogs inhabiting a meadow environment drink water and rely on plants, including clover, for food. Both the water and the clover that the groundhogs consume can be described as abiotic and biotic factors.
Answer:
TRUE
Explanation:
OKOKOKOKKOOKOKOK
Answer: yes water does not have life. It has life in it but water is not living. Therefore water is abiotic. Clovers actually respond to stimulus, move and are living. Therefore clovers are abiotic.
Explanation: I explained my answer in my answer
carbon is present in the atmosphere as
Answer:
co2
Explanation:
Which level of organization is pictured?
organelle
cell
tissue
organ
Answer:
organ
Explanation:
Answer:
D: organ
Explanation:
Have a good day :)
This relationship between the bee and the flower is an example of _______.
Answer:
Symbiotic Mutualistic relationship
Explanation:
The bees get honey, and the flowers get to reproduce through their pollen being spread by the bees. Both parties benefit.
What does the size and shape of the proteins decide?
A). How fast the protein can Get into the blood
B). How big an organism can grow
C). Function that protein will have in inside the body
D). Weather the organism is a plant or animal
Answer:
the answer is c
Explanation:
Some species of stick insects have wings, others are wingless. recent research indicates that wings have been gained and lost several times during the evolutionary history of stick insects. for the six species on the evolutionary tree, which hypothesis require a lower total number of wing gains and wing losses?
Answer:
It is a hypothesis that explains the origin of evolutionary reversions.
Explanation:
A phylogenetic tree may indicate that genes required for forming anatomical structures such as wings are not completely lost and they are activated many times during the evolution.
what is the dependent variable in Guinea pigs eat more when it is cold.
Are the cells pictured below plant or animal cells?
a
Plant
b
Animal
Answer:
where is the picture? I can't help you without the picture...
Based on structural components, plant cells have a cell wall, chloroplasts, and a large central vacuole, making them distinct from animal cells, which lack these but contain centrioles and lysosomes. These differences are key in identifying the cell type.
Explanation:Identifying whether cells are plant or animal cells involves comparing their structural components. From the given descriptions, we can differentiate these cells based on key features. Plant cells are characterized by the presence of a cell wall, chloroplasts for photosynthesis, plasmodesmata for cell communication, and a large central vacuole that maintains cell turgidity. Conversely, animal cells are notable for their lack of a cell wall, absence of chloroplasts, and instead contain centrioles and lysosomes.
Plant cells have distinct features that set them apart from animal cells. Plant cells possess organelles like chloroplasts for photosynthesis, a large central vacuole for storage, and a cell wall for structural support. On the other hand, animal cells lack these structures and have centrioles, lysosomes, and centrosomes.
The presence of a cell wall, chloroplasts, and a large central vacuole are characteristic features of plant cells, not found in animal cells. Such structures enable plants to perform photosynthesis, provide structural support and store nutrients, respectively. In contrast, animal cells have unique components like lysosomes for waste disposal and centrioles that play a role in cell division. These differences are critical for their distinct biological functions. Therefore, identifying these components is essential in distinguishing between plant and animal cells.
Black truffles are a unique type of fungi that are highly prized by chefs and food enthusiasts throughout the world. Which characteristic is seen in truffles but not in common mushrooms?
lack a reproductive phase
contains hyphae
has spores contained in ascus
has spores contained in basidia
Answer:
has spores contained in ascus
Explanation:
Ascospores with honeycomb surface decoration may be seen under a microscope; each sac or ascus frequently contains two of these spherical spores. The correct answer is c) has spores contained in the ascus.
What is a black truffle?A fruiting fungus that is tasty is the black truffle. They are a favorite food in France and are highly well-liked there. In order to create some of the most beautiful gourmets, they are both grown and harvested from natural sources. They are one of the most valued products for commerce and are often gathered in the autumn.
Fungi, which include yeasts, molds, and mushrooms, are eukaryotic organisms that play a major role in environmental decomposition. Ascomycota is the phylum in which the flavorful edible fungus known as the black truffle resides. They are expensive and are often found in southern Europe. The ascus, a sexual spore-bearing cell containing ascospores, is the primary characteristic of the Ascomycota. Black truffles have a spherical form, a skin color of black-brown, and little cusps that resemble pyramids.
Numerous asci (spore-bearing cells) and tightly woven hyphae (a long filament-like structure) are present. Each ascus includes spores known as ascopores, which are unique to fungi included under the ascomycetes order. The phylum of Basidiomycota includes mushrooms. Additionally made of hyphae, they reproduce sexually by forming special cells called basidia, which produce spores known as basidiospores.
Therefore the correct answer is c).
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6. Which of the following is NOT an environmental benefit of plants?
A. Provide shade
B. Increase erosion
C. Provide cooler temperatures
D. Filter air
Answer:
the answer is increase erosion
Explanation:
Plants do not increase erosion instead they reduce it
The option that is NOT an environmental benefit of plants is B. Increase erosion. Plants provide shade, cooler temperatures, and filter air, but they generally prevent erosion, not increase it.
Explanation:The answer to which of the following is NOT an environmental benefit of plants is B. Increase erosion. Plants have numerous environmental benefits, some of which include:
A. Provide shade - Trees and plants offer shade, which can cool down areas and provide protection from the sun.C. Provide cooler temperatures - Through the process of transpiration, plants release water into the atmosphere, which helps cool the environment.D. Filter air - Plants absorb carbon dioxide and release oxygen, and they can also filter out pollutants from the air.However, plants generally do not increase erosion; in fact, they often prevent erosion by stabilizing the soil with their root systems. Therefore, option B, Increase erosion, is the correct answer as it is not an environmental benefit of plants.
what are possible disadvantages to having the 6 fingers.
Answer:more stability
Explanation:
The chronological dating that relates geological rock layers to time is called the options: A. Geologic Lime Scale B. Geologic Time Scale C. Geologic Mime Scale
Answer:
B. Geologic time scale.
Explanation:
The geologic time scale is a system of chronological dating that relates geological strata to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history
Answer:
B. Geologic time scale.
Explanation:
What happens to Earth when it is farthest from the sun?
It moves fastest.
It stops rotating.
It moves slowest.
It stops revolving.
Answer:
slower
Explanation:
winter days shorter farther from the sun causes stuff
What does it mean when a gene codes for a given protein or trait?
Does the law of reflection hold true for mirrors that aren’t flat ?
The law of reflection applies to both flat and curved mirrors, stating that the angle of incidence equals the angle of reflection. Curved mirrors, such as convex and concave mirrors, reflect light in a way that alters the image size, orientation, and whether it's real or virtual. The size of the object does not change the laws of reflection, which can be confirmed through optical experiments.
Explanation:The law of reflection states that the angle of incidence is equal to the angle of reflection, with the incident ray, the reflected ray, and the normal (the line perpendicular to the surface) all lying in the same plane. This law applies to both flat and curved surfaces such as mirrors. When considering a flat mirror, the law of reflection leads to virtual images which are the same size as the object. The image appears as far behind the mirror as the object is in front of it.
In the case of a convex or concave mirror, the reflection still obeys this fundamental law, but the curvature of the mirror causes the reflected rays to diverge or converge, which affects the characteristics of the image. The /size, orientation, and type (virtual or real) of the image can vary/ based on the distance of the object from the mirror and the focal point. For example, in a concave mirror, when an object is closer than the focal point, the image is virtual and enlarged; beyond the focal point but closer than twice the focal length, the image is real and inverted. When the object is further away than twice the focal length, the image is smaller and still inverted.
Regarding the question of whether the /size of the object changes the laws of reflection/, it does not. The laws remain constant, but the size of the object can affect the visibility and the extent of the reflected rays across the mirror's surface, particularly for curved mirrors. In optical experiments, using flashlights and mirrors, the law of reflection can be observed and confirmed, either with a plane mirror producing predictable reflection angles or with curved mirrors that focus light in specific ways, like in flashlights or concert shells.
what other types of anatomical evidence do scientists use to determine the evolutionary relationships of animals?
Answer:
Evidence of evolutionary relationships include: similarities in body structure, fossils, protein structure, similarities in DNA, and similarities in early development. Know how fossils are formed, named, and how scientists determine fossil age. Most fossils form when organisms die and are buried in sediment.
Explanation:
This is a star less than mass of the main sequence star that has exhausted all of its nuclear fuel and has collapsed to a very small size.
Answer:
White dwarf
Explanation:
These are what stars become when have exhausted their nuclear fuel. When the stars near the end of its nuclear burning stage, they expels most of their outer material thereby creating a planetary nebula in which only the hot core of the star remains.
They are stars which have less than mass of the main sequence star that has exhausted all of its nuclear fuel and has collapsed to a very small size.
5 factors affecting the rate of breathing in human beings
Answer:
There are many factors that affect the respiratory rate: age, gender, size and weight, exercise, anxiety, pain, the effect of some medicines, smoking habits and excitement level are among them.
Explanation:
Breathing is a necessary function for human beings. It supplies oxygen for a process called cellular respiration, which is how cells manufacture the energy they need for their life functions. There are lots of things that can affect the rate of breathing in humans. Exercise is one of those things, particularly aerobic exercise. Aerobic exercise is any exercise that causes the person to breathe more, such as running, jogging, playing basketball, football, running track, or playing soccer. Another factor that can influence breathing rate is allergic reactions to stimuli from the environment, such as pollen. This can inflame the passageways leading to the lungs, making them smaller, requiring more air. Smoking is a habit that can influence the development of lung cancer, which in turn influences the rate a person breathes. Nervous conditions and reactions to stimuli also influence the breathing rate, such as the famed "fight or flight" syndrome.
Five factor that affect the rate of breathing are injuries, exercise, emotion, mood, and Lung elasticity.
Five factor that affect the rate of breathing are,
Age: of a person breathing rate of a child 12 - 16 per minute that is relatively slower than an adult. Exercise: increase the rate of breathing due to the elevated need of oxygen in the muscle.Emotion: the mental stress is found to be increase the rate of breathing.Lung Elasticity: infections in the lungs decrease the lung elasticity which increase the rate of breathing.Injuries: increase the rate of breathing as body oxygen demand increase.Therefore, injuries, exercise, emotion, mood, and Lung elasticity are the five factor that affect the rate of breathing in human beings.
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A sample of digestive juice was removed from the stomach of a pig. The juice was
placed in a test tube along with some grains of wheat. A second test tube was set up
containing an equal number of wheat grains, with distilled water rather than
digestive juice. The test tubes were kept for 8 hours at 40 degrees C. After 8 hours,
the grains inside the digestive juice had broken into tiny particles. The grains of
wheat, in the water, were wet but otherwise unchanged.
What is the control group?
test tube with wheat and water
test tube with wheat and digestive juice
the same temperature
the presence or absence of digestive juice
Answer:
The control group is the test tube with wheat and water.
Explanation:
This is because the control group is set up to be compared to the outcome of the test subject influenced by the independent variable, which is this case is the digestive juice. The water and wheat shows the true effect of the digestive juice on breaking down part of a pig's diet, which is wheat.
True or False: Work is being done in the photo below.
Answer:
true because her muscles are working and theres movement being done overall in the image.
Explanation:
Answer:
true and false she could be pushing the wall or she could be stretching i highly doubt her little muscles can push through that wall though.