What type of evolution most likely occurred with whales?
Fossils of whales and whale ancestors show a change in species over time. The ancestral species are no longer in existence. What type of evolution most likely occurred with whales?
A golf course is next to a river. The fertilizers they use for the golf course get washed into the river. What might happen as a result of the excess fertilizer?
What is the name of the organization level that is missing from this picture?
A runner uses all available oxygen for respiration. She then notices that her legs are becoming sore. Which of these statements is most representative of respiration?
equilibrium
punctuated gradualism
punctuated equilibrium
gradualism
The water warms due to excess nitrogen.
Fish die due to algae blooms.
Nitrogen-fixing bacteria die off.
Fish die due to nitrogen-fixing bacteria.
organelle
tissue
cell
organ
Her body is producing lactic acid because she is breathing too hard.
Her body is producing lactic acid as a result of doing aerobic respiration.
She has been running too long.
Her body is producing lactic acid as a result of doing anaerobic respiration.