Classify the following as either a specific or a nonspecific defense of the body's immune system.
• skin
• macrophages
• bacteria • mucous
• fever
• B cells • T cells
• antibodies
how do you classify the defenses as non-specific defense and specific defense?
Earth's sysems can interact quickly or over long periods of time. Give two examples of how Earth can change quickly and two examples of how it changes ovr long periods of time.
The human body is composed of cells, organs, organ systems, and tissues. How are these organized?
The human body is organized from simple to complex levels, starting with cells forming tissues, tissues forming organs, and organs forming organ systems, which make up the entire organism.
The human body is organized at different hierarchical levels of structural complexity, with each level building upon the one below it to create the intricate systems necessary for the body's function. The basic structural and functional unit of life is the cell. Groups of similar cells join together to form tissues, which are the building blocks for more complex structures in the body.
Tissues themselves are categorized into four main types: epithelial, connective, muscle, and nervous tissues. These tissues work in concert to construct organs, which are complex structures with specific functions, such as the heart, lungs, and brain. Each organ is typically composed of several different types of tissues arranged in a precise manner to carry out the organ's functions efficiently.
Multiple organs then combine to form organ systems, such as the skeletal system or the muscular system, which work together to perform functions necessary for life. The organization of these systems is such that they ensure homeostasis and allow for complex behaviors and processes in the body. In essence, cells make up tissues, tissues make up organs, and organs make up organ systems, which together create the complete organism, like a human being.
Seasons are caused by differences in daylight,temperature,and weather patterns due to _____
How do scientific knowledge change over time? and what impact do these changes have on society?
If the earth's mantle were completely solid, _________plates could not move around
If the earth's mantle were completely solid, tectonic plates could not move around.
What are tectonic plates?Tectonic plates are defined as a scientific theory that describes how the Earth's underground movements result in the formation of significant landforms. The fundamental landforms are thought to be the result of the Earth's subsurface motions, according to the scientific theory of plate tectonics. By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.
The heat generated by nuclear reactions taking place inside the planet's center causes the plates to move periodically toward and occasionally away from one another. Tectonic shift is another name for this movement.
Thus, if the earth's mantle were completely solid, tectonic plates could not move around.
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is the Nucleolus in plant cells or in animal cells or both?
The nucleolus is present in both plant and animal cells. It is responsible for assembling ribosomes and is located within the nucleus.
Explanation:The nucleolus is a distinct structure found in the nucleus of eukaryotic cells. It is present in both plant and animal cells.
The main function of the nucleolus is to assemble ribosomes, which are involved in protein synthesis. It is composed of proteins and ribosomal RNA (rRNA).
In plant cells, the nucleolus is usually located within the nucleus and may have multiple nucleoli, while in animal cells, it is typically a single nucleolus.
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What are examples of symbiotic relationships with Golden Lion Tamarins?
Write a Definition for cellular respiration in your own words.
t. Write a Definition for cellular respiration in your own words.
2. What Living things carry on the process of cellular respiration?
3. Write the chemical equation for cellular respiration identifying thereactants and products.
Final answer:
Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy. Living things that carry out cellular respiration include plants, animals, and microorganisms.
Explanation:
Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy in the form of ATP. It is the process through which living organisms obtain energy from their food.
Living things that carry on the process of cellular respiration include plants, animals, and microorganisms.
The chemical equation for cellular respiration is: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP. The reactants are glucose (C₆H₁₂O₆) and oxygen (O₂), and the products are carbon dioxide (CO₂), water (H₂O), and ATP.
can you help me with this Extinction link?
based on their chemical formulas, which of these compounds is not likely to be an ionic compound: KBr, SO2, or AlCl3? explain your answer.
Sulfur dioxide (SO₂) is not likely to be an ionic compound because it is composed of two nonmetals, sulfur and oxygen, making it a covalent compound.
To determine which of the compounds KBr, SO₂, or AlCl₃ is not likely to be an ionic compound, we look at the types of elements involved. Ionic compounds are typically formed between metals and nonmetals. Potassium bromide (KBr) and aluminum chloride (AlCl₃) both have metals (K and Al, respectively) and nonmetals (Br and Cl, respectively), so both are likely ionic. However, sulfur dioxide (SO₂) consists of two nonmetals, sulfur (S) and oxygen (O), suggesting that it is not ionic but a covalent compound.
True or false the respiratory system gets rid of carbon dioxide from the body
the protein in the cell membrane
A)remain in fixed positions
B)allow small molecules that can dissolve in liquid to pass into the cell
C)transport certain molecules into or out of the cell
D)prevent osmosis from taking place
A white cat and a brown cat are as follows: WW + bb. Can the first generation yield a brown cat?
what does a kangaroo lack that a mammal such as a dog and cat have
The answer should be:
Placenta
If you'd like to know why:
The gestational period of kangaroos and other marsupials is not very long. Although they do give birth to live young, they give birth early. The off-spring is essentially just an embryo when the mother gives birth and it just latches on the nipples and develops for weeks to months.
Note: Its not really that they do not have a placenta, but theirs are just very different. Placentas in other mammals provides nutrients and blood supply to the fetus internally, but in marsupials, the nutrients provided in the womb comes from the yolk of the ovum, which serves as the placenta.
the answer is placenta.
why is sunlight included in the equation
What is the primary determining factor that will or will not allow solute diffusion?
What are two secondary factors that affect solute diffusion?
The primary factor that determines whether solute diffusion will or will not occur is the concentration gradient, with molecules moving from higher to lower concentrations. Secondary factors include temperature and medium's molecule size, both of which can impact the speed of diffusion.
Explanation:The primary determining factor that will or will not allow solute diffusion is the concentration gradient. Diffusion is driven by a process of elimination where molecules move from an area of higher concentration to a lower concentration area, attempting to equalize the concentration throughout.
Two secondary factors that affect solute diffusion are temperature and medium's molecular size. The higher the temperature, the more kinetic energy the molecules have, which results in faster diffusion. On the other hand, the size of the medium's molecules can impact diffusion as well; larger molecules move slower than smaller ones, hence, they diffuse slower.
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Which statement best defines a cell?
A, an independent functional unit of life
B, a crystal-like structure that exists in all living things
C, the smallest organelle of all living organisms
D, the basic unit of structure and function in all living things
The statement that best defines a cell is as follows:
It is the basic unit of structure and function in all living things.Thus, the correct option for this question is D.
Who discovered the cell?An English Scientist Robert Hooke in 1665 first discovered a dead cell in a thin slice of the bottle under a microscope. Antony Von Leeuwenhoek discovered the living cell in 1674 with the help of an improved version of microscope.
The word Cell is derived from the Latin word Cellula which refers to a little room. All living organisms are made up of cells. So, the cell is considered the basic structural and functional unit of life.
Apart from this, two famous scientists named M. J. Schleiden and T. Schwann after a detailed study of plant and animal cells discovered a theory known as Cell theory.
Therefore, the basic unit of structure and function in all living things is a statement that best defines a cell. Thus, the correct option for this question is D.
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10+ POINTS
Please help ASAP, thank you
[ :blank: ] is the gradual change in the types of species that live in a community. This can include primary and secondary situations.
Answer:
Evolution and/ or mutations can cause change within species over time
Answer:
succession
Explanation:
hope it helps
Which structures that distinguish a eukaryotic cell from a prokaryotic cell are part of the internal membrane system?
chromatin, mitochondrion, nucleus, plasma membrane
nuclear membrane, endoplasmic reticulum, Golgi apparatus, and vesicle
Golgi apparatus, chromatin, vesicle, plasma membrane
nucleus, nuclear membrane, mitochondrion, endoplasmic reticulum
Answer:B: Nuclear membrane, endoplasmic reticulum, Golgi apparatus, and vesicle
Explanation:
What system does kidney disease affect? A. circulatory system B. respiratory system C. excretory system D. nervous system
NEED ANSWER RIGHT NOW PLEASE!!!!
The answer is C. Hope I'm not too late, haven't been on Brainly much.
What provides instructions to a eukaryotic about living and growing
Which organism has ganglia?
Select one:
a. flatworm
b. fish
c. sponge
d. hydra
what force causes all types of mass movement
how is a punnett square used to show both the phenotype and genotype of both parents and offspring
Len was alone, in a strange place, in a new situation, feeling afraid. His body reacted by producing the hormone adrenalin. How did the adrenalin make Len feel?
He began to feel happy and cheerful.
or he felt calm and at ease.
Or He became shaky and his heart thumped.
Or He didn’t feel any different.
What are conductors like this flannel shirt,iron skillet, copper pipe, and oven mitt
Iron skillet and copper pipe are conductors, while flannel shirt and an oven mitt are insulators.
Thermal conductors are materials that transfer heat well due to the movement of free electrons or atomic vibrations. Metals such as iron (in the skillet) and copper (in the pipe) are excellent thermal conductors, explaining why they're also good electrical conductors. This is linked to the high density of free electrons in these metals, which allows them to transport thermal energy efficiently. Examples of thermal conductors include silver, copper, gold, and aluminum, which are all noted for their ability to conduct electricity as well.
Conversely, materials like the flannel shirt and oven mitt are thermal insulators. Thermal insulators are materials that do not conduct heat effectively, which can be due to their lack of free electrons or their structure that obstructs heat transfer. These are often used to prevent the transfer of heat, keeping us warm or protecting us from heat, as with an oven mitt. The handles of cooking utensils are typically made from poor thermal conductors to prevent burns when handling hot cookware.
This system relates to the structure and support of an organism. It is made of salts and proteins and found in vertebrate animals.
Answer: Skeletal System
Explanation:
The skeletal system of the body helps the body in their movement and support. The skeletal system of the body is made of salts and proteins.
The skeletal system is the basic structure which provides the body its structure. The main function of this system is to help in movement of the body like bending, walking, sitting, et cetera.
The main constituents of bone is salts of calcium and phosphate. This makes the bones so strong that it can handle weight of the whole body.
Please help me with this sheet :( i need this so bad. i will reward lots of points
Which biome contains many low growing plants that stay close to the ground for warmth? A) tundra B) savanna C) deciduous forest Eliminate D) tropical rain forest
i think it is tundra
Tundra biome contains many low growing plants that stay close to the ground for warmth.
What is a Tundra Biome?The tundra is a cold, treeless biome found in the northern hemisphere, characterized by long, harsh winters and short, cool summers. The ground is permanently frozen, with a layer of moss, lichen, and a few hardy plant species such as mosses, lichens, and shrubs adapting to these conditions.
Wildlife in the tundra includes species such as caribou, Arctic foxes, and migratory birds. Despite its inhospitable climate, the tundra plays a critical role in the global ecosystem, acting as a carbon sink and helping regulate the Earth's climate. However, the tundra is also vulnerable to the impacts of climate change, with rising temperatures causing changes in the timing and duration of seasons, affecting the plants and animals that call it home.
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