What part of the amniotic egg provides food for the embryo?

a. the amniotic membrane

b. oxygen

c. the yolk

d. the shell

In the late 1800s Mendel predicted the existence of units of hereditary information or factors. What do we call these units of heredity information today

Seasonal flu and pandemic flu are completely different with no similarities. True or False

What is the process that is taking place in the core of the Sun?

What is the part of the cell cycle in which DNA is synthesized?

A group of biological communities that interact with the physical environment is

Which body system is correctly paired with its function? A) excretory-produces antibodies to fight disease-causing organisms B) digestive-produces hormones for storage and insulation C) circulatory-transports materials for energy release in body

Which is an example of reverse polarity? a. Earth's magnetic field lines up in the same direction as the present magnetic field. b. The south magnetic pole lines up with the present south magnetic pole. c.

Determine the type of microscope which can only be used to view non-living specimens.

What is the genus of the popular fossils which are similar to "lucy"?

The parasympathetic division of the autonomic nervous system A. is associated with "fight or flight." B. opposes the effects of the sympathetic division. C. arises from parts of the spinal cord. D. uses the neurotransmitter norepinephrine.