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iVinArrow [24]
3 years ago
6

Every time energy is transferred between organisms in a food web, some of the energy is lost as heat.

Biology
1 answer:
iren [92.7K]3 years ago
5 0

Answer: The answer is True

Explanation:

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In one fishing village in Alaska, the allele frequency of webbed feet is 0.10. This dominant trait causes affected individuals t
larisa86 [58]

Answer:

Phenotypic frequency of the dominant trait = 0.19 ⇒ the frequency of individuals in this village that have webbed feet

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
4 0
3 years ago
Is the movement of water along the concentration gradient
Nuetrik [128]

Answer:

<em>- Is the movement of water along the concentration gradient: </em><em>Osmosis</em><em>. </em>

<em>- Is the use of energy to move the particles against the concentration gradient: </em><em>Active transport</em><em>. </em>

<em>- Is the movement of particles by diffusion without energy: </em><em>Simple diffusion</em><em>. </em>

<em>- Is the movement of particles along the concentration gradient: </em><em>Passive transport</em><em>.</em>

Explanation:

The mechanisms of cellular transport involve all the processes that the cell carries out to incorporate substances into its interior or send them to the extracellular space, through its semipermeable cell membrane.

<h3>- Osmosis</h3>

Is a type of transport that consists of the passage of water from a space with a lower concentration of solutes to one with a higher concentration, in order to reach equilibrium, following a concentration gradient.

The concentration gradient is given by the difference in concentration between two substances, which indicates the direction in which molecules, such as water, should move from one place to another.

<h3>- Active transport</h3>

Unlike passive transport mechanisms, which depend on a concentration gradient that determines the movement of particles, in active transport there are two characteristics that define it:

The passage of substances into the cell against a concentration gradient.

The use of energy to carry out this process.

In this case, the passage of substances through the cell membrane will be according to the requirements of the cell, or when they cannot pass through the membrane.

<h3>- Simple diffusion</h3>

According to the characteristics of the cell membrane, some substances can pass freely through it while others require special mechanisms. When a molecule is able to pass through the membrane without the use of special mechanisms or energy we speak of simple diffusion.

In a cell membrane, whose composition is by hydrophobic or non-polar lipid molecules, simple diffusion allows the passage of non-polar molecules, gases and alcohol.

<h3>- Passive transport</h3>

Refers to the mechanism of entry and exit of substances from the cell that does not require the use of energy.

The mechanisms involved in the passive transport of the cell are simple diffusion, osmosis, facilitated diffusion - which requires special conveyors or channels - and ultrafiltration, which depends on hydrostatic pressure. Examples of substances using this mechanism are lipid molecules, water and electrolytes.

Learn more:

Lipidic bilayer and cellular transport brainly.com/question/6955159

3 0
3 years ago
What is the difference between a species and a population?What is the difference between a species and a population?
WITCHER [35]

Answer:

A population is a group of organisms of the same species, in the same place

A species is a group of organisms that are genetically similar

Explanation:

I like to remember it with humans.

Humans (homo sapiens) are a species. We are all genetically similar and can share genetic material by reproduction.

In a city, a lot of humans are together and that is a population of humans

As a species however, we are all over the place

5 0
2 years ago
Which process is responsible for increasing the size of the egg?
kondor19780726 [428]

Answer:

This process of water moving through a membrane is called osmosis.

Explanation:

Osmosis equalizes – or makes the concentration of water on both sides of the egg membrane the same. This means the egg will swell as the water moves inside and get larger.

6 0
1 year ago
Which evidence has led scientists to conclude that there are different layers within Earth's interior?
Elenna [48]

Answer:

Explanation:

1) análisis de datos de ondas sísmicas

8 0
3 years ago
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