What can occur in plants and animals that result in changes? (Choose all the apply)

a

random trait mutations

b

modifications

c

growth factors

d

none of the above

Two adaptation that allow zebras to avoid their predators

In an area of permafrost, subsurface water that is frozen is specifically called

In the cell, proteins that are synthesized for immediate use by the cell are normally produced a. in the plasma membrane b. in the nucleus c. in the Golgi apparatus d. on smooth endoplasmic reticulum e. on free-floating ribosomes

What type of growth widens the plant and produces wood? a. secondary growth b. primary growth

What type of energy is involved when a river moves sediment and erodes its banks? Select one: a. Kinetic energy b. Potential energy c. Chemical energy d. Gravitational energy

One student did an experiment with an unknown mineral. The hardness scale shown below was used for the experiment.

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Sociology is best defined as the study of

What grouping has the least complex body plan

What is the outcome when a cell undergoes meiosis? A) Two diploid cells B) Two haploid cells C) Four diploid cells Eliminate D) Four haploid cells