Answer:
Genetic diversity is important because it helps maintain the health of a population because a diverse set of alleles that can be valuable in resisting diseases, pests and other stresses. If the environment changes, a population that has a higher variability of alleles will be better able to evolve to adapt to the new environment and therefore survive longer. Hope this helps!
A graduated cylinder would be best when measuring small liquid volumes.
Answer:
bees will start to avoid this area because of predation
Explanation:
the bees have preditors
Answer: alternative A.
Explanation: Fixism was a current theory during biology history, and it stated that species were always like they are at the present time, not being able to change during time. Darwin's evolutionary theory, developed at the 19th century, said the opposite: species were able to change and they still do it. One way to prove it was <u>studying fossils and its morfologycal characteristics in order to link them to more recent species</u>, and <u>establish a taxonomical connection between them</u>. The study of fossils is know as paleontology, and it this way it changed the naturalist's views.
<span>Refractory period is the period after an initial stimulus when a neuron is not sensitive to another stimulus.</span><span>
During the relative refractory period of an action potential, a larger than normal stimulus is needed to cause another action potential. This is due to the fact that t</span>he voltage gated potassium ion channels remain open long enough to hyperpolarize the axon membrane.
