All organisms within a defined geographic area in relationship with each other in some way or another. This relationship is called ...

What type of mammal is a manatee is it a monotreme, marsupial or a placental

Which of the following statements describes a eukaryotic chromosome? A) a single strand of DNA B) a series of nucleosomes wrapped around two DNA molecules C) a chromosome with different numbers of genes in different cell types of an organism D) a

The function of the cell wall in a plant cell is Question 2 options: Allowing material to pass in and out of the cell Uses carbon dioxide, water and energy from the sun to make sugar Breaks sugar down into ATP which the cell can use for energy

Why is pcr used in the process of dna sequencing?

What are the products of cellular respiration? O A. Glucose and ATP O B. Oxygen, carbon dioxide, and water OC. NADPH and oxygen O D. Energy, carbon dioxide, and water

4. All of the following are types of symbiotic relationships except for

What is the difference between B-cell lymphocytes and T-cell lymphocytes? B cells regulate blood pH, and T cells regulate body temperature. B cells are produced in the thymus, and T cells are produced in the bone marrow.

What provides instructions to a eukaryotic cell about living and growing?

Which of the following is NOT a function of skin? to absorb nutrients from food to protect the body from infection to prevent the body from drying out to protect the body from injury

When scientist designs a space probe to detect life on a distant planet, what kind of things should it measure?