Answer:
its a or b most likely a tho
Explanation:
There is a vestigial pelvic bone in whales which makes some people believe that their ancestors walked. Bones in the flippers have the same bones as land mammals arms and birds wings do which indicates divergence from the same ancestors.
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Examples of biting and chewing pests are snails, slugs, caterpillar, Helicoverpa, diamond black moth, beetles , termites, leaf worms, grass hoppers etc.
Examples of piercing insects are lace bugs, aphids, white flies, glassy winged sharp shooter, false chinch bugs, Bargrada bug, mealy bug, Eugenia psyllid, Pittosporum psyllid, Tipu psyllid etc.
<u>Explanation:</u>
Pests that affect crops have different feeding habits. Some pests belong to the type biting and chewing pests. These pests bite into the plant parts and chew them. This will leave circular holes in the leaves and semicircular holes in the leaf edges.
Piercing and sucking insects pierce into the plant parts and suck the sap. Removal of sap turns the plants yellow, and wilted. The growth might get stunted and in severe cases the plant may die off.
Answer:
The answer to this phenomenon is that elk predators increased in number, or their food source decreased, it is for these two reasons that elk could have a drop in population numbers.
Explanation:
Many times by altering the balance of the environment in which they live due to external factors such as human intervention, moose predators can increase in number, thus generating these moose are at greater risk since not only the predators will need to feed more moose but are more when hunting.
On the other hand, if this does not happen, the other option is that the food source of these moose decreases in number or becomes extinct or is difficult to access, thus causing them to starve.