What happens a few days after fertilization?

A. The baby can be felt moving.

B. The eyes have developed.

C. A zygote forms.

D. The placenta begins to form.

-Apex

A person is brought to the emergency room with constant high fever, extensive edema, low blood pressure, and petechiae. Which of the following may the person be suffering from? A. septicemiaB. infectious mononucleosisC. plagueD. brucellosisE.

Each cell that enters the cell cycle contains sister chromatids a. True b. False

Variation within organisms within a species increases the chance that a species will survive changing conditions. What kind of reproduction produces the most variation within a species?

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and by depicting them in a cladogram.

What is one sign that indicates a phisical change

What is one disadvantage of using plasma gasification to detoxify hazardous waste?

Euglena use which structure for movement? A. cilia B. flagella C. pseudopods D. they do not move

1. What is a reproductive process in which a cell's genetic information is duplicated and then divided to produce a single identical daughter cell from an outgrowth of a larger parent cell? A. production of spores B. budding C. binary fission D.

True or false? biologists studied the effects of forest fragmentation by calculating the difference between the amount of plant biomass in the edges of forest fragments and the interiors of unfragmented forest.

This is an organ in the digestive system which transports waste out of the body and absorbs water from the waste before it leaves the body.