Which of the following allows the flow of energy through an ecosystem to happen?

Question 15 options:

abiotic factors

cycling of nutrients

evaporation

predation

Select the description that would represent a pathogen that would be considered a virus.

What is selective permeability? How does the cell achieve this?

Which of these would probably occur from under-coverage? A. Interviewers influencing the responses to questions B. Questions that are poorly worded C. Results not reflecting the population D. People lying when they answer survey questions

The frequency of alleles in a population that is in Hardy-Weinberg equilibrium A) changes in each successive generation. B) is less important than the frequency of genotypes. C) shows evidence of the process of natural selection.

What kind of plants have the ability to grow large and tall and also lose their leaves in the fall

ER, Golgi body and other membrane bound organelles often work together to produce a finished functional product. What structure connects them?

List the symptoms of the flu

Interesting facts about sickle cell anemia.

What do endocrine glands use as messengers? Blood Hormones Target organs Zygote

How do unicellular organisms use locomotion and movement to respond to their environment?