The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a A. morula. B. blastocyst. C. fetus. D. placenta.

T Object] What is the most likely consequence of open pit mining on plant life? a. a dramatic reduction in the variety of plant species b. an increase in the number of plant species c.

Environmental focus on protecting all of the following except A. Marine habitats B. Tourist businesses C. Endangered species D. Non renewable resources

What type of feedback loop is involved in homeostasis

An individual with type A blood and an individual with type B blood mate and have offspring. What blood type is not possible in their offspring? a) Type O b) Type A c) Type B d) Type AB e) All blood types are possible

The structure of a DNA molecule?

What would occur in the body's muscles if there was a drastic decrease in calcium production?

Which is not a step in most scientific investigations? collecting data through observation and measurement observing and experimenting to test a hypothesis proving a theory and writing a new scientific law developing a hypothesis to explain

What makes up a biological community?

Which of these describes the Earth's outer core? A: Hot Solid B: Cold Liquid C: Cold Liquid D: Hot Liquid

If ice we're, like most other substances, more dense than it's liquid form, what would this mean for bodies of water that freeze in the winter? What would happen to the organisms that live in them?