Which of the following is an autotroph?

A) human

B) mushroom

C) pine tree

D) fish

Explain the three factors used to name a cloud.

Why do most terrestrial organisms depend on plants

What are the tense and voice of the italicized verb in the following sentence? Your sister had gone when we arrived. A) past passive B) past active past C) perfect active

Why are renewable sources of energy a better option than nonrenewable resources?

When recombinant DNA is inserted into the genome of a host organism, what's created? A. A genetic marker B. A restriction enzyme C. A transgenic organism D. A plasmid

What is biodiversity?

In what way are plants in a sunny meadow and sulfur bacteria in a deep sea vent alike A) They both use photosynthesis to make their own food B) They both produce carbohydrates C) They both use chemosynthesis to produce their own food D) They both

Maryland white oak trees make their own food. Their cells contain structures that capture energy from the sun. What are these structures?

What are two ways in which all living things are similar at the molecular level.

Which of the labeled structures controls the water balance in the paramecium?