The magnification/power of the eyepiece and the objective lens you are using. I think the eyepiece alone is usually 10x. You just multiply that of the eyepiece and the objective lens.
1. Atrium
2. Ventricle
3.left ventricle
4. they pump blood throughout the body
5.superior vena cava
6. Pulmonary vein
7.Four heart valves control the flow of blood through the heart. They act as one-way doors, opening to let blood exit or enter a chamber, then closing to keep blood from flowing backward.
A. land plants, tiny water plants
a. slug, frog, newt
b. plants, slug-insect-water fleas, frog-fish-newt, perch-fox, heron
c. water fleas, diving beetles
d. heron, perch
e. one thing that could happen if all frogs suddenly died is that there would be an overpopulation of slugs, insects, and beetles. another thing that could happen would be that foxes would only rely on getting slugs for food so the slugs would soon go extinct and the plants would possibly over populate.
hope this helps!!
Answer:
Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species.
Explanation:
Answer:
what is the average length of a cobra?
Explanation:
biology is the study of life.
