the embryo began as a fertilized egg: 2 individual gametes joined to produce one diploid cell. once the egg is fertilized, what process is responsible for the development of the embryo?

In an ecosystem with four levels-producers, primary consumers, and two higher-level consumers-describe where the decomposers operate relative to the other trophic levels. Provide at least two examples of organisms at each level.

Explain the relationship between the environment, variation, and selection. Changing genetic variation This can lead to changes in can cause certain traits to be favored through DONE Intro

What determines whether a neuron is unipolar, bipolar, or multipolar? Draw an example of each.

If human white blood cells were extracted from the circulatory system and then placed into an isotonic solution what would happen

he fibrous skeleton of the heart serves as electrical insulation between the atria and the ventricles. True False

Ep-31 which is the major cause of fatalities involving small boats

When an enzyme catalyzes a reaction: a. substrate (s bind in the active site b. products bind in the active site c. the shape of the enzyme remains unchanged d. the enzyme is consumed by thereaction?

How do the islands of Hawaii compared to the volcanoes on land

How does the respiratory system interact with the circulatory system? A. The circulatory system removes oxygen from the body to make room for carbon dioxide in the respiratory system. B.

Which layer will become saturated first when rain falls?