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weqwewe [10]
3 years ago
8

Which statement represents an abiotic environmental factor in an ecosystem? The plant has flower buds every spring. The fish swi

m up the river to reproduce. The fox eats mice in the meadow. The lake bottom is lined with rocks.
Biology
2 answers:
qaws [65]3 years ago
5 0
The last sentence is correct.

please vote my answer brainliest. thanks!
BaLLatris [955]3 years ago
4 0

Answer:  The lake bottom is lined with rocks.

Explanation:

Abiotic factor environmental factor is the non-living factor of the ecosystem on which the living  beings are either influenced by or are dependent upon for their basis needs such as air is required for respiration, water is required to fullfil thirst and sunlight is important for photosynthesis.

The lake bottom is lined with rocks. is the correct option because rocks define the abiotic factor.

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Which of the following statements are true about enzymes? Select all that apply.
Andrews [41]

Answer:

2, 3 and 5

Explanation:

Enzymes lower the activation energy, making life possible to occur as the reactions can happen quickly. But, they can be affected by temperature or pH, and they are always being constantly reused over and over in reactions.

6 0
2 years ago
In a large population of randomly breeding foxes, a dominant allele results in a soft, brown pelt, while a recessive allele resu
Sindrei [870]

Answer:

The frequency of the recessive allele which codes for grey pelt character will rise above 20%, while the that of the dominant allele that confers brown pelt character will decrease below 80%.

Explanation:

Since the population of foxes with brown pelts are being selectively hunted by humans, the population of foxes with brown pelts will keep reducing while the population of foxes with grey pelt will thrive in its place.

<em>Hence, the the frequency of the recessive allele which confers grey pelt attribute will rise above original 20% within the population, while the dominant allele will decrease below 80%.</em>

4 0
3 years ago
Which features are formed by glacial deposition? Select three options.
aniked [119]

Answer:

till sandbar loess

Explanation:

3 0
3 years ago
Read 2 more answers
Harmful environmental agents cause an average of 4-5 percent of birth defects.
posledela
I think that the statement given above is true, Harmful environmental agents cause an average of 4-5 percent of birth defects. <span>About 10 </span>percent of birth defects<span> are </span>caused<span> by </span>environmental factors<span> such as infection, radiation, and drugs. Hope this answers the question. Have a nice day.</span>
6 0
3 years ago
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If it were possible to have antagonistic muscle pairs in an arm contract simultaneously, what movement would the arm make?
Dvinal [7]

If it were possible to have antagonistic muscle pairs in an arms contract simultaneously, the arm would be locked in position.

How do antagonistic muscle pairs work?

Tendons allow muscles to exert force on bones. They pull on our bones and related body parts to move them; this activity is referred to as muscle contraction. In "antagonistic muscle pairs," muscles function. A pair of muscles work together to move a body part, and then the other muscle in the pair works together to bring the body part back to its starting position.

Antagonizing pairs of muscles are those that function in this way. When two muscles are antagonistic, one contracts while the other relaxes or lengthens. The muscle that is lengthening or relaxing is referred to as the antagonist, while the muscle that is contracting is referred to as the agonist.

Learn more about the antagonistic muscle pairs here:

brainly.com/question/17098003

#SPJ4

4 0
1 year ago
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