1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Murljashka [212]
3 years ago
15

Explain the idea of "survival of the fittest" with regards to a population of beavers in a lake in which some have large incisor

teeth and others have small incisor teeth.
Biology
1 answer:
8090 [49]3 years ago
5 0
If the beavers need large teeth to collect wood for their dams, the population of beavers with larger teeth will live longer because they can collect wood. They will them be able to reproduce therefore passing down the gene with larger incisor teeth
You might be interested in
Which actions destroy topsoil? Check all that apply.
asambeis [7]

2 eroding of land by wind

4 overusing land

3 plowing land without replanting

5 0
3 years ago
Read 2 more answers
Drag and drop the ocean zones to order them from shallowest to deepest
____ [38]
1.Sunlight zone
2.Twilight zone
3.Midnight Zone
4.Abyssal zone
7 0
2 years ago
Christie's doctor recommends that she eat 40 grams of protein a day. She's already consumed 50% of her protein recommendation fo
tia_tia [17]

Answer: The options are not given. The options are;

A. 1 B. 3 C. 4 D. 6

The answer is 4 which is option C.

Explanation:

Protein recommendations is the amount of daily required dietary proteins for a person base in its weight.

Christie's Doctor recommend 40grams of dietary protein and she has already consumed 50% of it. This meant that she has consumed about 20 grams of the required dietary protein and she needed additional protein source to complete her daily requirements. Therefore, Christie needs additional four servings of snacks to meet her daily protein recommendations.

4 0
3 years ago
With incomplete dominance a likely ratio of phenotypes in the F2 generation resulting from a monohybrid cross between two true-b
nydimaria [60]

Answer:

A) 1:2:1

Explanation:

Incomplete dominance is an effect observed in the organisms in which the neither of the two alleles controlling a trait is dominant or recessive instead produces a phenotype formed by the mixture of the effect of the two alleles.  Therefore in incomplete dominance, a new trait is produced which is formed by both the alleles.

In the given question, if incomplete dominance is observed in a monohybrid cross which results in two homozygous genotypes and two heterozygous genotypes. In F2 the phenotypic generation produced will be 1:2:1 as the heterozygous genotype will form a new phenotype.

Thus, Option-A is the correct answer

4 0
3 years ago
In the United States, which direction does a continental polar air mass that forms over Canada usually move and why?
goldfiish [28.3K]

In the United States the direction the continental polar air mass move South toward the Gulf of Mexico to replace the rising maritime tropical air mass.

Answer: Option A

<u>Explanation:</u>

Air masses are large bodies of air moving horizontally in a very uniform way.  Continental polar air mass is an air mass that forms near the poles. It originates in northern Canada and Alaska and move south then East.

The continental polar masses are the causes for the severe cold weather in the South during the cold months. Maritime tropical mass are warm and have high moisture content. During winter it comes in contact with the continental polar mass hence getting stabilized.

3 0
3 years ago
Other questions:
  • 1. Write the part of the brain that performs each of the functions shown below. (2 points) Regulates sleep Connects brain and ey
    13·2 answers
  • Do all of the groups have the same number of branches or branch tips? what does this result indicate?
    10·1 answer
  • Which of these is a correct statement about RNA molecules?
    12·1 answer
  • Which of the following statements about the cytoskeleton is incorrect? A. The dynamic aspect of cytoskeletal function is made po
    7·1 answer
  • Which are two of the aspects of family closeness during adolescence?
    9·1 answer
  • Where is light penetration in a river or stream likely to be lowest?
    10·2 answers
  • In which state of matter are particles most distant from one another
    8·2 answers
  • All of the following affect the climate of an area except
    5·2 answers
  • Which of the following is a long-term impact of an oil spill on the environment?
    11·1 answer
  • which region of the cns integrates the reflexes for micturition, defecation, erection and ejaculation?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!