Answer:
A. Move substances down a concentration gradient
Explanation:
Active transport is the process of transport of substances in an energy dependent manner. The process of active transport requires energy to transport the substances against their concentration gradient. This means that active transport moves the substances from the region of their lower concentration to that of higher concentration.
The skin on the palmar surface of the hands and feet forms ridges, so-called papillary ridges, in patterns that are unique to each individual and which do not change over time. Even identical twins (who share their DNA) do not have identical fingerprints.
Answer:
The correct option is trial and error learned behavior
Explanation:
A trial and error learned behavior is a type of behavior in which an organism attempts to or tries something new which makes it (the organism) accept the reality of that thing or situation. This means that if the attempt is successful or pleasurable, the organism will attempt it again and if it's not, the organism will avoid that thing.
This is what was described in the question with the bird trying to eat the caterpillar but found it unpleasurable which made it to start avoiding it afterwards.
Your answer is
C.) Enhanced Natural Beauty
Answer:
B) He must pull back on the sled with more force than the puppy is pulling forward with
Explanation:
