Answer: 3. root and mycelium
Plants are autotrophic organisms, which means they utilizes sunlight, atmospheric carbon and water, to prepare their own food in the form of carbohydrates. But these plants also requires some minerals like phosphorus, magnesium, nitrogen which are needed for their proper growth and metabolism. These plants obtain these minerals by absorbing them from the soil by the roots. Fungi are saprophytic organisms, which means they derive their food by decaying and decomposing the dead plants and animal traces. These fungi have thread like structures called as hyphae. The hyphae is responsible for penetrating the dead matter and obtaining nourishment. It functions like that of roots in plants. The aggregate of hyphae is called as a mycelium .
Therefore, both root and mycelium has a function in absorption of nourishment in the plants and fungi respectively.
Compounds formed from the attraction of oppositely charged ions are called _________. ionic compounds covalent compounds molecular compounds mineral compounds
The right answer is ionic compounds.
Ionic compounds do not contain distinct molecules but interacting ions
electrostatic.
An ionic compound is formed by the association of positive and negative ions.
An ionic compound is electrically neutral.
Here's an example : Calcium chloride
Writing of the ionic compound: CaCl2
Positive ion: calcium ion Ca ++
Negative ion: chloride ion Cl-
Answer:
The correct answer is option A, ionic compounds
Explanation:
Ionic compounds are formed between two elements in which one element is positively charged while the other element is negatively charged. The two elements being oppositely charged get attracted towards each other and form a compound. In this compound, one element gains the electron and becomes the anion with negative charge and the other one loses the electron and becomes positively charged and is known as Cation. s
For example
NaCl
Na has charge = +1
Cl has charge = -1
These two have equal and opposite charge and thus combine together to form ionic compound.
Typhoid fever is caused by bacteria in contaminated food or drink in 1903 an outbreak of typhoid fever in Ithaca killed almost 80 people in addition more than 1,000 Ithaca residents became sick with the disease the population shares the public water source which type of limiting factor was involved in the typhoid outbreak that occurred in Ithaca?
Answer:
density-dependent factor
Explanation:
what 2 ways could you increase the momentum of an object?
High diagram shows the valence electron pattern for a carbon atom
The right answer is A.
The carbon having 6 electrons adopts an electronic configuration in the ground state 1s2 2s2 2p2. It has four electrons on its valence layer, which allows it to form four covalent bonds, including "sigma" (first bond with one atom) or "pi" type bonds (second or third bond). "Pi" type links are always accompanied by a "sigma" type link. The recovery of electronic functions in a "pi" link is weaker. These links are therefore less "solid".
Which of these animals is considered a model for punctuated equilibrium? whale ammonite archaeopteryx
Yes, it is an Ammonite.
What forms when one oceanic plate is forced beneath another plate? Select one: a. ocean ridges b. a rift valley c. an ocean basin d. a subduction zone and deep sea trench
Answer:
Option d, A Subduction Zone
Explanation:
A subduction zone is formed when two plates collide and one sinks below the other. Thus, option A is incorrect
The other options are incorrect because
Oceanic ridge is the upliftment of mountains due to the convection currents beneath the ocean.
Rift Valley is formed by the subsidence of land mass due to the action of fault or rift.
Ocean basin and deep sea trench is a depression in the earth surface
In 1961, two neurosurgeons were able to reduce seizure activity in epileptic patients by severing the corpus callosum. the neurosurgeons were:
The two neurosurgeons who were able to reduce the seizure activity that epileptic patients has experienced with the use of the method of severing the corpus callosum of the patients were namely Vogel and Bogen. They were able to reduce the seizure activity of these patients.
Answer:
Philip Vogel and Joseph Bogen
Explanation:
What is the maximum number of significant figures that the graduated cylinder can be reported to?
In a plant’s life cycle, how many sporophyte generations occur between one gametophyte generation and the next time that eggs and sperm are produced?
Ans.
Plants that show distinct asexual diploid and sexual haploid stages show alternation of generations. In these plants, the sexual haploid stage (or multi-cellular gametophyte generation), with n number of chromosomes alternates with asexual diploid stage (multi-cellular sporophyte generation), with 2n chromosomes.
The gametophyte produces gametes (eggs and sperms) that forms zygote and develop into microsporophyte that develops into sporophytes. After maturation, sporophytes produces spores that form gametophytes and again formation of gametes (eggs and sperms) will take place.
Hence, 'one sporophyte generation would occur between the one gametophyte generation and production of eggs and sperms in next steps.'
Another term for the leaf's stake is.
Select one:
a. Stem
b. Flower
c. Petiole
d. Axillary bud
Final answer:
The correct term for the leaf's stalk is 'petiole,' which is a stalk connecting the leaf to the stem.
Explanation:
The term for the leaf's stalk is petiole. The petiole is the stalk that extends from the stem to the base of the leaf. An axillary bud is not the same as a petiole; it is an embryonic shoot located at the axil—the area between the base of a leaf and the stem—and can give rise to a branch or flower. Therefore, the correct answer is 'c. Petiole.'
Why might it be very difficult to visualize the separation of cis- and trans-2-butene by tlc?
The separation of cis- and trans-2-butene by TLC is difficult due to the slight difference in polarity and the potential for interconversion, which can make the polarity difference insignificant for separation purposes.
Explanation:To address the question of why it might be very difficult to visualize the separation of cis- and trans-2-butene by TLC (Thin Layer Chromatography), we must consider their physical and chemical properties. TLC relies on the different polarities of compounds to carry out separation. Since cis-2-butene is a polar molecule and trans-2-butene is nonpolar, we might expect TLC to be able to separate them effectively. However, the difference in polarity might not be sufficient to achieve a clear separation, due to their similar molecular structures and the fact that both compounds can interconvert when sufficient energy, such as heat or light, is applied, potentially complicating the TLC process.
The difficulty in separating these isomers arises from the fact that cis- and trans-isomers have similar boiling points and other physical properties despite their difference in polarity, which may not be distinct enough to be resolved by TLC. Generally, the stationary phase in TLC might not interact significantly differently with each isomer to produce a clear distinction between their spots on the TLC plate.
Which type of scientist studies cultures? A. Life scientist B. Mathematician C. Physical scientist D. Social scientist
Most plant proteins do not match our needs for essential amino acids and therefore are called _______________ proteins.
Which of the choices below lists the successive stages in coal formation from first step to last?
Final answer:
Coal formation proceeds through stages that represent increasing carbon content and energy potential: starting with peat, then transforming to lignite, subbituminous coal, bituminous coal, and finally, anthracite.
Explanation:
The successive stages in coal formation from first step to last are:
Peat - This is not actually coal, but the precursor to coal, formed from decaying plant material in wet environments.Lignite - Also known as 'brown coal', is the lowest rank of coal and has the lowest energy content.Subbituminous coal - This is a rank above lignite, with a higher energy content and lower moisture content.Bituminous coal - This has even higher energy content and is the most abundant form in the Eastern United States, though it contains sulfur impurities that contribute to acid rain.Anthracite - The highest rank of coal, with the highest energy content and a glossy appearance. Anthracite is less common and was largely depleted due to its desirability.Wolverines spread across their range, with each individual patrolling a territory of about 320 km. what type of dispersion do woverines represent?
In the given case, the wolverines are demonstrating a uniform pattern of dispersion.
• The distribution pattern or the dispersion pattern of a population illustrates the alignment of the individuals within a habitat at a specific point in time. The general kinds of dispersion patterns are random, clumped, and uniform.
• The spreading of the organisms takes place in a fairly regular pattern in uniform distribution.
• This takes place when the individuals need to compete for a limiting resource like food or water.
In the given question, the wolverines are spreading uniformly to patrol their territory, thus, demonstrating a uniform pattern of dispersion.
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What does it mean to be unicellular
what are the advantages and disadvantages of eating a nutritionally engineered product versus relying on a balanced diet to maintain health?
Bears eat berries, humans, and large fish; large fish eat smaller fish and insects; humans eat bears, large fish, and berries; venus flytraps eat insects. the scenario described here is an example of ______.
a.an ecosystem
b.parasitism
c.a food chain
d.a food web
Respiration releases carbon dioxide, the molecule needed for photosynthesis.
a. True
b. False
An organism with a cell wall would most likely be unable to take in materials through ________.
An organism with a cell wall is unable to take in materials through endocytosis due to the rigid nature of the cell wall.
Explanation:An organism with a cell wall would most likely be unable to take in materials through endocytosis, which is the process by which a cell takes in substances through its membrane. The cell wall acts as a rigid protective layer around the cell membrane, preventing the cell from engulfing large molecules or particles.
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Matter can be neither created nor destroyed, only converted from one form into another.
True
False
Temperature measures the total kinetic energy in a sample.
True
False
When an object cools, it is gaining thermal energy.
True
False
Reactions that absorb energy are exothermic.
True
False
Thermal energy always flows from a higher temperature to a lower one.
True
False
In science, the term heat is a synonym for the term temperature.
True
False
Kelvin temperatures can never have negative values.
True
False
What happens to the energy in an ear of corn once a cow eats it?
a. Most of the energy from the corn is available to a human who eats meat from the cow.
b. The cow gives all of the corn’s energy off as heat energy.
c. It uses some of the energy for life processes, some of the energy is stored in the cow's tissues, and some of its energy is given off as heat energy.
d. The cow uses all of the corn’s energy for life processes.
The role of atp complete the sentences with the appropriate words.
even though larry could stand to lose a few pounds and step up his aerobic activity, he maintains ____ fitness with an active lifestyle and moderate-intensity physical activity.
A scientist who studies living things in the environment 1 point
answer to the quick check is
A / B / D / B / D / A / C / B / C / C
A scientist who studies living organisms in their environment is known as an ecologist. Ecology, a branch of biology, focuses on the interactions among living organisms and their environment, integrating various scientific disciplines. Ecologists can operate in a range of sectors including research, education, and policy-making.
Explanation:A scientist who studies living things in the environment is typically known as an ecologist. The field of ecology is a branch of biology that focuses on the interactions of living organisms with one another and with their non-living environment. Ecologists seek to understand the distribution and abundance of living things, and their research often integrates various scientific disciplines, such as molecular biology, physiology, evolution, biodiversity, geology, and climatology.
For instance, an ecologist might work in a marsh studying the interactions of several populations of birds, crabs, and grasses without studying the water or air quality. They could also conduct their research in natural environments as diverse as the local stream or the hydrothermal vents at the bottom of the Pacific Ocean.
Having a career in ecology can contribute to many areas of human society, and there are various specializations one might pursue. For instance, some ecologists focus on managing natural resources, while others may work in education, policy-making, or research roles. Their work influences human wellness and habitat, food sources, and more.
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Which feature do gas giants have that terrestrial planets do not?
Gas giants like Jupiter and Saturn lack solid surfaces and have thick atmospheres made of hydrogen and helium, with many moons and strong storms.
The primary feature that gas giants have, which terrestrial planets do not, is a lack of a solid surface. Instead of solid ground, gas giants such as Jupiter and Saturn have thick atmospheres composed mainly of hydrogen and helium. These gaseous envelopes are incredibly massive, and the pressure within these atmospheres is so high that any solid form would be crushed, much like the pressure experienced by a deep-sea diver but to a greater extent. Additionally, gas giants have many natural satellites and exhibit fast, strong winds and storms such as the Great Red Spot on Jupiter.
The reasons for these differences include the planet's formation location and composition. While terrestrial planets like Earth formed closer to the Sun and are predominantly rocky, gas giants formed far away where temperatures were low enough for hydrogen and helium to clump together.
What precautions can a scientist take to be protected against charges of fraud?
The tree-like branches of a neuron that receive information from other neurons are called
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Lipids, proteins, polysaccharides, and nucleic acids are large polymers that make up the different components of our bodies. Which element can be found as the backbone of all of these macromolecules?
1.Carbon
2.Phosphorus
3.Oxygen
4.Nitrogen
Carbon is the fundamental backbone element in macromolecules such as lipids, proteins, polysaccharides, and nucleic acids.
It's unique ability to form up to four covalent bonds makes it perfect to act as the central framework for complex molecules that are essential to life.
DNA would be found within which classification of biological molecules?
A.lipids
B.Carbohydrates
C.nucleic acids.
D Proteins
Answer: Nucleic acid
Explanation: Deoxyribonucleic acid are nucleic acid that consists of nucleotides which are monomers made of a pentose sugar, nitrogenous bases and a phosphate group.
Nucleic acids are most important of all the biomolecules that is found in the body. They are found in abundance.
Their main function is transmission of information from one generation to another generation.