Answer:
mannimals;humens and animals
Explanation:
Answer:
D.
Explanation:The function is determined by the genetic material.
Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
Answer:
important scientific tool used to identify different organisms, based the organism's observable traits
Explanation:
consist of a series of statements with two choices in each step that will lead users to the correct identification
For example, in tree identification, a dichotomous key might ask whether the tree has leaves or needles. The key then directs the user down one list of questions if the tree has leaves, and a different question list if it has needles.
This type of transport is called active transport