In which order do organisms occur in the food chain?

Which type of trees characterizes our biome, here in Alabama?

This biome is just south of the tundra. It contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here.

Energy flows from the ______ to _______ to ______.

Nitrogen fixing bacteria, lives in nodules on the root of a plant called

Which of the following is NOT a legume?

What are the 3 types of dispersions?

The most common kind of dispersion in nature is

Tracks organisms that tend to live long lives (low death rate and high survivorship rate); toward the end of their life expectancies, however, there is a dramatic increase in the death rate.

What point on the graph represents maximum growth?

Which of the following is the correct order?

Who built the first accurate model of DNA?

What scientist used x-rays to study DNA and died early so he/she did not receive a Nobel Prize for their work?

What scientists figured out the base pairing rules?

How do you classify the following genotype : AA

How do you classify the following genotype : Mm

If Purple Flowers (P) are dominant over white flowers (p), what would the phenotype be for a Pp genotype?

If Brown eyes (B) are dominant over blue eyes (b), what would the phenotype be for a bb genotype?

When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?

Which scientist visited the Galapagos Islands and came up with the theory of natural selection?

Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?

A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?

What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

What do we call a change in a species over time?

The three species pictured share a common ancestor and have adapted so that each lives in a different environment. This is an example of

The yucca moth depends on the small soap weed for food, and the small soap weed is only pollinated by the yucca moth. This is an example of

When unrelated species evolve similar characteristics because they live in similar environments.

the smallest, most specific classification category

two-name system of classification

Which of the following is the correct order from broadest to smallest?

Mechanism of evolution responsible for a random change in a population is known as:

Situation in which allele frequencies change as aresult of the migration of small subgroup of a population is known as:

In the Great Lakes region of North America, gray wolves and coyotes are similar species but do not mate because their breeding periods occur at different times of the year.

The American toad (Anaxyrus americanus) and Fowler's toad (Bufo fowleri) live in the same area. However, The American toad mates in early summer while Fowler’s mates in late summer.

Albert’s squirrel and the Kaibab squirrel are distinct subspecies that live on opposite sides of the Grand Canyon. They were once one species, but now differ significantly, including fur coloring.

Starlings produce an average of five eggs. If there are more than five the parents cannot adequately feed the young. Fewer than five and predators may destroy them. As a result, five eggs becomes the most common number.

Seed cracker birds have either large beaks or small beaks. They do not have medium sized beaks because medium sized beaks do not allow for adequate cracking of seeds.

Gregor Mendel studied

The haploid number in humans is ____ and the diploid number is ___.