Where do fossil fuels come from?

a. From cellular respiration

b. From heat energy

c. From minerals

d. The remains of living things

Mushrooms and shelf fungi are classified as what

Based on the model of movement through the phospholipid bilayer, what is the most likely choice for the substance crossing the membrane? A) water B) glucose C) oxygen gas D) sodium ions

The human body is composed of cells, organs, organ systems, and tissues. How are these organized?

One oak tree cell with 14 chromosomes undergoes mitosis. How many daughter cells are formed, and what is the chromosome number in each cell?

Which best describes the intertidal zone on a rocky shore

Classification of an organism by its distinct characteristics that match others in a population

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere. True False

The wetland where a species of wading bird nests and hunts for food is drained to make way for a housing development. This is an example of A.) selective cutting B.) habitat destruction C.) conservation D.) habitat fragment

The Paleolithic Age is characterized by ... Select one: A. domestication of animals B. the beginning of agriculture C. hunting and gathering existence D. both a and b

Scientists have genetically engineered potato plants to produce potatoes that contain edible vaccines. which is a disadvantage of the genetically engineered potatoes?