What characteristic do all algae share?

a. They are autotrophs.

b. They are unicellular.

c. They are multicellular.

d. They live in colonies.

Egypt has recently raised taxes on imported goods to force its citizens to buy locally made products. Which of the following organizations or programs would prohibit this act if Egypt had previously signed the treaty? A.

What is the main influence of global climate change

How did the climate in the Eocene compare to that of today?

Which of the below is not one of the three main body parts of a mollusk? postanal tail mantle visceral mass muscular foot?

Which kind of people tend to be more innovative in a given field: those who are knowledgeable or those who are inexperienced in the field?

The field of study in which medicine and microbiology intersect is known as medical microbiology

What unit of time on Earth is based on the revolution of the Earth around the Sun? A. Day B. Hour C. Year D. Month

In order to maintain life, organisms must produce, modify, transport, and exchange materials. What is this process called?

Choose all the right answers. Invertebrates: a.) have backbones b.) do not have backbones c.) outnumber vertebrates d.) include fish and mammals e.) include insects and mollusks

Ethyl alcohol and carbon dioxide are the end products of A. Krebs cycle B. Electron transport chain C. Alcoholic fermentation