Which of these is not used by the nervous system to instruct the endocrine

system?

O A. Synapses

O B. Neurotransmitters

O C. Blood vessels

O D. Neuroendocrine cells

Select the correct answer. Which is the most accurate description of an ecosystem? A. An ecosystem consists of a biological community-the physical and chemical factors-that make up its abiotic environment. B.

Compare the chromosomes in the two daughter cells produced by Meiosis I. Do these chromosomes have the same alleles? How do you know?

Which structure best shows that eukaryotes have functions different from prokaryotes? a. RNAB) nucleus c. ribosomes d. cell walls

What conditions might be too harsh for an organism to maintain homeostasis

All the chemical reactions that occur within a living organism are referred to as:

Most states have deer hunting seasons designed to reduce the size of the deer herd before it gets so large that deer starve to death during winters with little food.

Abdominal aorta is located in

Do penguins have thick skin

What are some advantages and disadvantages of long femur lengths (crickets) ?

When is pressure-treated lumber ready to be painted or stained?