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ella [17]
2 years ago
15

What is a niche?

Biology
2 answers:
hichkok12 [17]2 years ago
6 0
The March off me and not helping you
zvonat [6]2 years ago
4 0

Answer:

D i believe.

Explanation:

niche= the match of a species to a specific environmental condition

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If there are 1000 units of energy available at the producer level of this energy pyramid how much energy will be passed to the p
aniked [119]

I'm pretty sure that each level decreases the amount of energy by a factor of 1/10 so for primary consumers there would be 100 units of energy.

7 0
2 years ago
Hair Coloring Experiment
leva [86]

The independent variable (hair<em> colorin</em>) causes a <u>response</u> in the dependent one (colorin <em>effectiveness)</em>. The constant variable <u>can not change</u> (<em>curly or straight</em>), the control variable is <u>kept constant</u> (<em>time and environmental conditions</em>). The experimental group receives the <u>treatment</u> (<em>40 students</em>).

------------------------------------------------

INDEPENDENT VARIABLE

Refers to all the variables in an experiment that provoke a response in another variable. The independent variable is modified to analyze its effects on another variable. The researcher changes on purpose the independent variable to observe the response of the dependent variable.

<em>In the exposed example, the independent variable is the red hair coloring </em>

<em>- Red Hair Paint</em>

<em>- L’Oreal</em>

DEPENDENT VARIABLE

Refers to the variable, which response depends on any change in the independent variable. The change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable.

<em>In the exposed example, the dependent variable is the coloring effectiveness, seen through how well the coloring takes and lasts. </em>

CONSTANTS

This variable does not change during the whole experiment and under any circumstance. It <u>can not change</u>.

<em>In the exposed example, the constant variable is the type of hair, curly or straight. </em>

CONTROL

Controlled variables are kept constant in the control groups and the experimental groups. Unlike the independent variable, the controlled variables do not influence the results. These variables do not affect the response of the dependent variable.

<em>In the exposed example, the controlled variables are the exposure time to the colorings and environmental conditions, such as temperature, humidity, etc.</em>

EXPERIMENTAL GROUP

The experimental group receives the treatment. The researcher apply different treatments to the experimental groups to observe how they affect the dependent variable. There can be several experimental groups.

<em>In the exposed example, the general experimental group is the 40 students' hairs. Because coloring does not have the same effect on different hair colors, the experimental group includes,</em>

<em>- 10 blonds, </em>

<em>- 10 brunettes, </em>

<em>- 10 with black hair</em>

<em>- 10 with red hair</em>

<em>-------------------------------------------</em>

<em>Related link: brainly.com/question/24653783</em>

5 0
2 years ago
Two structures play an important role in the way that birds digest food.
jolli1 [7]

Answer:

Gizzard and crop

Explanation:

I just answered that question.

7 0
2 years ago
8. What is one of the functions of the integumentary system, which includes skin and hair?
Finger [1]

Regulate body temperature is one of the functions of the integumentary system.

<h3>What is the functions of the integumentary system?</h3>

The main function of the integumentary system is that it serve as a barrier between the internal body and outside environment such as bacteria, pollution, and Ultra Violet rays from the sun. It also helps maintain body fluids, remove waste products, and regulate our body temperature which leads to homeostasis or equilibrium state in our body.

So we can conclude that regulate body temperature is one of the functions of the integumentary system.

Learn more about temperature here: brainly.com/question/25677592

#SPJ1

6 0
2 years ago
Which disease is attributed to nondisjunction? A) hemophilia B) Down's sydrome C) cystic fibrosis D) sickle-cell anemia
PilotLPTM [1.2K]
C is the correct answert
6 0
3 years ago
Read 2 more answers
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