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
Artyom0805 [142]
3 years ago
6

Primary source of food production. plants insects animals consumers

Biology
1 answer:
Elis [28]3 years ago
8 0
Yes the first one is very correct they deserve the brainliest answer
You might be interested in
Natural selection causes A. changes in allele frequencies within a population. B. changes in the mechanism of inheritance. C. th
wolverine [178]

Answer:

Natural selection causes change in allele frequencies within a population.          

So option A is correct one.

Explanation:

Natural selection generally  work  on an organism’s phenotype, or observable features. Phenotype is often largely a product of genotype (the alleles, or gene versions, the organism carries). When a phenotype produced by certain alleles helps organisms survive and reproduce better than their peers, natural selection can increase the frequency of the helpful alleles from one generation to the next – that is, it can cause microevolution.

4 0
3 years ago
How is  eukaryotic RNA processed before leaving the nucleus 
Paha777 [63]

Answer:

Messenger RNA, or mRNA, leaves the nucleus through pores in the nuclear membrane. ... During mRNA processing, the introns (non-coding regions) of the pre-mRNA are removed, and the exons (the coding regions) are spliced together. Additionally, a 5' cap and a 3' poly A tail are added to the pre-mRNA

Explanation:

6 0
3 years ago
29.
forsale [732]

Answer:

The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:

9 in.

11 in.

12 in.

17 in.

Explanation:

7 0
3 years ago
In metaphase where do sister chromatids go?
Setler [38]

Answer:

Long protein filaments called kinetochore microtubules extended from poles on either end of the cell and attached to the kinetochores. During metaphase, the kinetochore microtubules pull the sister chromatids back and forth until they align along the equator of the cell, called the equatorial plane.

Explanation:

3 0
3 years ago
Read 2 more answers
Animals such as loggerhead turtles and Humboldt squids, which normally live
weeeeeb [17]

Answer:

D. A periodic warming of sea surface temperatur e.

Explanation:

Loggerhead turtles and Humboldt squids normally lives in the south coast of Mexican. These animals are sensitive to temperature. Due to warming waters during El Niño events, these animals migrated toward the North (coast of California).

PS: In the tropical eastern Pacific, if the sea temperatures rise 0.5 °C above the long-term average, the condition is declared as El Niño.

4 0
3 years ago
Read 2 more answers
Other questions:
  • Observations and measurements recorded during an experiment.
    10·1 answer
  • How does a perceived lack of control affect health?
    15·1 answer
  • Which best describes the role of immunosuppressants in transplant surgeries?
    13·2 answers
  • At what site on the enzyme are reactants brought together<br> during a chemical reaction?
    8·2 answers
  • The distance from the sun to the earth would be
    8·1 answer
  • how is the loss of a keystone species from an ecosystem similar to and different from the loss of an indicator species
    13·1 answer
  • Please Helppp confused
    10·2 answers
  • Which of the following best describes Pangaea?
    6·2 answers
  • Please answer I really need help
    6·1 answer
  • The concept that the distribution of one chromosome does not affect the distribution of any other chromosome during meiosis is k
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!