Which is a definition of hypertrophy?

a. an increase in muscle fiber number

b. a decrease in muscle fiber number

c. a decrease in muscle fiber size my pick

d. an increase in muscle fiber size?

During protein synthesis which part of RNA is joined together to form a sequence for a functional protein? Exons, introns, both exons neither exons or introns

Which climate favors mechanical weathering? A. dry climate B. cold climate C. warm climate D. desert climate

Which natural process can change the Earth's surface through glaciers, wind, and flooding? A. earthquake B. tornado C. erosion D. mudslide

Which of the following contains multiple gymnosperm ovules? megasporangium, megaspore, integument, or ovulate cone

Which of the following could be said about ecological footprints? A. Ecological footprints can't be used to determine carrying capacity. B. Ecological footprints don't take into account resources needed to absorb and manage wastes. C.

What is the main cause of human-created mass extinction?

Earth rotates around the sun. true false

When scientists first started mapping human genes, they estimated that there were about 2 million genes. By the late 1990s, it was thought that there were only 100,000 genes, and then that number shrank to 19,000 in 2001.

Which statement best describes how light travels? Light, in a vacuum, travels at the same speed even if the light source is moving. Light given off from a moving source will travel faster in a vacuum.

How are fished adapted to their environment?