what is the answer to this question its biology

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The maximum population size that an ecosystem can support is called carrying capacity. Limiting factors determine carrying capacity. The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) dictates how many organisms can live in an ecosystem.

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 Harm the availability or quality of source waters for drinking water utilities.

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The female reproductive organ of angiosperms, the gynoecium, often consists of the fusion of multiple ovule-bearing carpels. It serves the important function of producing and protecting ovules as well as mediating pollination.

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Biochemistry provides evidence of evolution in terms of modifications in various biological molecules, such as enzymes Explanation:

Answer: Try this Why is biochemical evidence the strongest form of evolutionary evidence

Explanation: It will give you some important information of what you are learning in high school!

Sylvite is the best for manufacturing plant use, because sylvite is a key component of fertilizers, hence option A is correct.

Usually created by inorganic processes, a mineral is a naturally occurring homogeneous solid with a specific chemical makeup and a highly ordered atomic organization.

About 100 of the known mineral species the so-called rock-forming minerals make up the majority of the known mineral species, which number in the thousands. On the basis of their chemistry and crystal shape, minerals are categorized.

Metallic and non-metallic minerals are the two categories into which minerals fall. Metallic minerals have luster in their look and are chemically composed of metals. These minerals can be mined to obtain them as a possible source of metal.

Therefore, option A is correct.

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Answer:

The three concepts are summarized in the general principle called the Law of Fossil Succession: The kinds of animals and plants found as fossils change through time. When we find the same kinds of fossils in rocks from different places, we know that the rocks are the same age. Scientists look for ancestors and descendants through geologic time.

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Some tortoises, including Lonesome George, have shells that rise in front, like a saddle. This adaptation makes it easier for them to lift their heads high to eat tree cactus and to resolve disputes over limited food resources, which they do through raising their heads as high as possible during social interactions.

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Cytoplasm

Explanation:

In eukaryotes, there is a definite nucleus where the ribosome and mRNA production takes place. The ribosomes and mRNA come out of the nucleus into the cytoplasm where the ribosomes work upon and catalyze the formation of proteins. Meaning that in eukaryotic cell, ribosomes make proteins in the cytoplasm.

Explanation:

Ribosome existed in the rough endoplasmic reticulum and existed freely in cytoplasm

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I believe that this one is the cell membrane, but double-check.

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Animals breath out Carbon and breath in Oxegon but plantes breath out Oxegon and breath in Carbon so a animal breath out the Carbon and the paint breaths that in and breaths out the Oxegon so the animal breaths the

Oxegon in

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The pattern similar to this is called Reverberation

The synapses that are nearer to the axon hillock would bring the initial segment closest to the threshold based on spatial summation.

In neurosciences, the term synapsis makes reference to the connection between two nerve cells (neurons).

Synapsis is produced by the connection between axons and dendrites among different neurons.

Spatial summation refers to the start (trigger) of the action potential in neurons via two or more presynaptic cells.

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Both men and women have gonads. In males, they are the testes, or testicles, the male s#x glands that are part of the male reproductive system. They are located behind the p#nis in a pouch of skin called the scrotum. The female gonads, the ovaries, are a pair of reproductive glands.

Plasmid carries a gene into a cell

A piece of DNA that is used to carry a gene of interest into a cell is known as Vector. This is because it is a vehicle that significantly carries foreign DNA molecules into the host cell.

Gene may be defined as a stretch of DNA that has genetic information. It is the nucleotide sequence that has the ability to produce a functional protein or enzyme.

According to the context of this question, a vector is commonly used in recombinant DNA technology. It is a double-stranded, circular extrachromosomal DNA that is separated or detached from the genomic DNA.

It has quite a difference with plasmid. The Plasmid is generally an extrachromosomal element of the bacterial cell.

Therefore, a vector is a piece of DNA that is used to carry a gene of interest into a cell.

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Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.

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not nucleus, only nucleoid

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Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. The absence of a nucleus and other membrane-bound organelles differentiates prokaryotes from another class of organisms called eukaryotes.

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It is a true statement that; "Identifying an individual’s genetically influenced health risks could increase their potential to achieve optimal health."

Genetically influenced health risks are those healt risks that arise as a result of the genes inherited by an individual. These individuals may be predisposed to certain diseases due to their genotype.

Hence, it is a true statement that; "Identifying an individual’s genetically influenced health risks could increase their potential to achieve optimal health."

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Answer:

The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.

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Answer:

Answer below

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Fossils provide physical examples of what organisms have looked like over time. For example, we can look at giraffes over time, who have evolved to have had long necks. When we look as fossil records of giraffes and similar species, we see that the longer ago that animal lived, the shorter their neck was, and as time progresses, the neck gets longer. However, we also see that in general the giraffes with longer necks, regardless of time period, will have lived longer and healthier lives (we can usually tell this just by how big the fossil is), as with longer necks the animal was able to reach more food and live longer. That giraffe then reproduced and shared their longer neck traits, while those with genetic markings to make their necks shorter will have died before reproducing. Therefore, we can see all forms of evolution through fossils.

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The long development time can be risky for both the embryo and the mother.

Explanation:  The long development time can be risky for both the embryo and the mother.

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protein and starch

Explanation:

the absorption depends on protein and starch

What that can be said about these turtles is that Even though they were geographically Isolated, they are no longer two species because they are living together again.

Population refer to total number of living organisms of species that interact with their environment and living in a same place at the same time.

Therefore, What that can be said about these turtles is that Even though they were geographically Isolated, they are no longer two species because they are living together again.

The question is incomplete because the options were not given but the options was gotten from another website.

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The oxidation of a substance is the a chemical reaction in which oxygen is combined with another substance. Similarly the phosphorylation is the addition of phosphate group and dephosphorylating is the removal of phosphate group.

The oxidation reaction is a type of  reaction in which a substance reacts with oxygen or it loss one or more electron to transfer to its higher oxidation states.

The phosphorylation is the addition of a phosphate group  (PO₄) into a molecule. Phosphorylation is a very significant combination reaction step takes place in nucleic acids in all living things.

Dephosphorylation  is just opposite to the phosphorylation reaction. Here, the phosphate group is removed from the molecule. In some metabolic reactions ATP undergo dephosphorylation to form ADP molecule. Hence, all the terms and definitions are correctly matched here.

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Answer:

Vestigial Structures: Picture on top right (the ostrich)

Anatomical Evidence: Picture in the middle (the multiple animal legs)

Molecular Evidence: Picture on bottom left (the DNA)

Embryological Development: Picture on bottom right (the creature developing and growing)

Fossil Evidence: Picture on top left (the bones)

The main role of oxygen in photosynthesis and respiration is that Oxygen is released in photosynthesis and used in cellular respiration to produce energy.

In photosynthesis, water and carbon dioxide reacts to form oxygen and glucose while on the other hand, In cellular respiration, oxygen is used to break down glucose in order to release energy in the form of ATP.

So we can conclude that the main role of oxygen in photosynthesis and respiration is that Oxygen is released in photosynthesis and used in cellular respiration to produce energy.

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Answer:

The answer is A

Explanation:

I found the answer on a website

Answer:

I think your answer is B.

Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute.

Relative dating places events or rocks in their chronologic sequence or order of occurrence. Absolute dating places events or rocks at a specific time. If a geologist claims to be younger than his or her co-worker, that is a relative age. If a geologist claims to be 45 years old, that is an absolute age.

Relative Dating

Superposition: The most basic concept used in relative dating is the law of superposition. Simply stated, each bed in a sequence of sedimentary rocks (or layered volcanic rocks) is younger than the bed below it and older than the bed above it. This law follows two basic assumptions: (1) the beds were originally deposited near horizontal, and (2) the beds were not overturned after their deposition.

Faunal Succession: Similar to the law of superposition is the law of faunal succession, which states that groups of fossil animals and plants occur throughout the geologic record in a distinct and identifiable order. Following this law, sedimentary rocks can be “dated” by their characteristic fossil content. Particularly useful are index fossils, geographically widespread fossils that evolved rapidly through time.

Crosscutting Relationships: Relative ages of rocks and events may also be determined using the law of crosscutting relationships, which states that geologic features such as igneous intrusions or faults are younger than the units they cut across.

Inclusions: Inclusions, which are fragments of older rock within a younger igneous rock or coarse-grained sedimentary rock, also facilitate relative dating. Inclusions are useful at contacts with igneous rock bodies where magma moving upward through the crust has dislodged and engulfed pieces of the older surrounding rock.

Gaps in the geologic record, called unconformities, are common where deposition stopped and erosion removed the previously deposited material. Fortunately, distinctive features such as index fossils can aid in matching, or correlating, rocks and formations from several incomplete areas to create a more complete geologic record for relative dating. Relative dating techniques provide geologists abundant evidence of the incredible vastness of geologic time and ancient age of many rocks and formations. However, in order to place absolute dates on the relative time scale, other dating methods must be considered.

Absolute Dating

The nuclear decay of radioactive isotopes is a process that behaves in a clock-like fashion and is thus a useful tool for determining the absolute age of rocks. Radioactive decay is the process by which a “parent” isotope changes into a “daughter” isotope. Rates of radioactive decay are constant and measured in terms of half-life, the time it takes half of a parent isotope to decay into a stable daughter isotope.

Some rock-forming minerals contain naturally occurring radioactive isotopes with very long half-lives unaffected by chemical or physical conditions that exist after the rock is formed. Half-lives of these isotopes and the parent-to-daughter ratio in a given rock sample can be measured, then a relatively simple calculation yields the absolute (radiometric) date at which the parent began to decay, i.e., the age of the rock.

Of the three basic rock types, igneous rocks are most suited for radiometric dating. Metamorphic rocks may also be radiometrically dated. However, radiometric dating generally yields the age of metamorphism, not the age of the original rock. Most ancient sedimentary rocks cannot be dated radiometrically, but the laws of superposition and crosscutting relationships can be used to place absolute time limits on layers of sedimentary rocks crosscut or bounded by radiometrically dated igneous rocks.

Sediments less than about 50,000 years old that contain organic material can be dated based on the radioactive decay of the isotope Carbon 14. For example, shells, wood, and other material found in the shoreline deposits of Utah’s prehistoric Lake Bonneville have yielded absolute dates using this method. These distinct shorelines also make excellent relative dating tools. Many sections of the Wasatch fault disturb or crosscut the Provo shoreline, showing that faulting occurred after the lake dropped below this shoreline which formed about 13,500 years ago. As this example illustrates determining the age of a geologic feature or rock requires the use of both absolute and relative dating techniques.

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Possible Genotypes: WW, Ww, ww

Possible Phenotypes: Has widow's peak or doesn't have widow's peak.