BIOLOGY HIGH SCHOOL

Which statement best explains why the stability of the producer population is important to the stability of the entire ecosystem

Answers

Answer 1
Answer:

Answer:

Producers are responsible for providing energy to the rest of the ecosystem.

Explanation:

Producers are literally the basis of all food chains, if they do not exist, it is impossible for energy to pass from one trophic level to the next.

Producers are represented by plants that, through photosynthesis, produce enough energy to be passed to all living organisms, through the food chain. For this reason, it is important to maintain the stability of the producing population, since the stability of the entire ecosystem depends on it, since it is through it that energy is provided for the rest of the ecosystem.
Answer 2
Answer: Producers are responsible for providing energy to the rest of the ecosystem.

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Blood flow is affected by both blood pressure and vessel resistance. a. True b. False
According to the _____ model, evolution occurs in spurts; species evolve relatively rapidly then remain unchanged for long periods.
Cells can contain thousands of different genes; however there is often only a small percentage of these genes that are being expressed at any given time. this indicates that - a. cells are unable to express all genesb. gene expression is regulatedc: the expression of genes is randomd unused genes are removed from the dna
What is the label X pointing to?

Within the water cycles, where do individual water molecules stay for the least amount of time?A: in the atmosphere


B: in the ocean


C: in deep groundwater


D: in shallow groundwater

Answers

Answer:

A: in the atmosphere

Explanation:

  • As the air is a mixture of gases and the air is continuously in motion as the water molecules are then evaporated or quickly get concentrated and condense and hence they get transformed very quickly thus for the least amount of time the water molecule is present in the air.
  • The air current picks and drops the molecules to far and distance off place and hence they tend to remove the molecules or shift them from one place to another.

Which stimulant is also referred to as crystal or crank and leaves the user feeling confused, shaky, and paranoid when it wears off

Answers

The stimulant that is also referred to as crystal or crank and leaves the user feeling confused, shaky, and paranoid when it wears off is known as methamphetamine, or meth, for short. You may know about crystal meth if you ever watched the show Breaking Bad - the effects of using that drug can be seen there. Amphetamine is used for treating ADHD, narcolepsy, and obesity. Cocaine, or coke, is a recreational drug.

What is meant by anterior and posterior region in our body?

Answers


"Anterior" means 'nearer to the front'.  The anterior region of the body
is the region that includes the parts that are nearer to the front, like
toes and eyes.

"Posterior" means 'further back in position'.  The posterior region of the
body is the region that includes the parts whose position is further back,
like buttocks and heels.

Which element would most likely bond with lithium and form an ionic compound? A. Beryllium
B. Calcium
C. Fluorine
D. Sodium

Answers

Answer:

The correct answer is the option  C.Fluoride.

Explanation:

Hello!

Let's solve this!

We know that ionic bonding is the type of bond that is made between a nonmetal and a metal. In this type of union one of the elements yields electrons and the other accepts electrons.

As in this case, the metal is Lithium, we need a nonmetal to complete the union.

Let's see the options:

Beryllium is a metal.

Calcium is a metal.

Fluoride is a nonmetal.

Sodium is a metal.

After the analysis we conclude that the correct answer is Fluoride since it is the only one that is a nonmetal.
Fluorine is most likely to bond with lithium.

Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If two heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring?A. 50 percent chance of a polka-dot tail and 50 percent chance of a solid colored tail (50 percent PP; 50 percent pp)
B. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (75 percent Pp; 25 percent pp)
C. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25
percent pp)
D. 25 percent chance of a polka-dot tail and 75 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25
percent pp)

Answers

Make a punnett square. The individuals are heretozygus (different) so their genotype is Pp.
P p
_______
P | PP | Pp |
_______
p | Pp | pp |
_______

There is...
Genotype (genetics)
25% chance homozygus polkadot. (PP)
25% chance homozygus solid (pp)
50% chance heterozygus polkadot. (Pp)

Phenotype (physical trait)
75% chance polkadot
25% chance solid.

The answer: C


*sorry the punnett square is so weird looking :) i hope this was helpful.


What does biodiversity mean

Answers

Biodiversity refers to the variety of plants, animals, insects, birds, living in a particular place or habitat.
Biodiversity is a kind of variation of animals, or plant species within a given habitat
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