Answer: directional selection
Stabilizing selection
Explanation:
For the first one I’d say D
The answer for the 2nd one is C.
Answer:
- They have dorsal nerve chord.
- They have pair gilled pouches.
- They breathe through gills.
- They have a notochord.
- They are coelomate.
Explanation:
✌Hope I helped ya.✌
Brainliest would be nice
<u><em>< Sarah ></em></u>
Answer:
The correct answer would be multiple alleles.
Multiple allele refers to the condition in which a gene exists in more than two alternative forms in a population that is, it has more than two alleles.
Different allele may provide different traits to the organism.
For example, in humans, blood types or groups are determined by three alleles 
, 
and <em>i.</em>
Three alleles produce four types of blood groups (phenotypes) which are A, B, AB, and O.
Answer
Since the whole ecosystem depends on the primary producers for survival, definitely all the sizes of the population in the ecosystem will be affected. The producers(green plants ) makes use of sunlight to supply the needed energy as food substances for the consumers ( rabbit) to feed on, and the Consumers is eaten by the top level consumers e.g Leopard.
Therefore, if the population of top level consumers is decreasing, this indicated that the secondary consumers population is reducing, due to reduction in energy obtained from primary producers which has dropped due to the decline in productivity.Hence nothing fort the top consumers to feed on.
Explanation:
