What is the difference between a variation and an adaptation?

Older layers of fossils are located ________ in the Earth.

Each time you use a dichotomous key, you should begin with which step?

All organisms in Kingdom Animalia are ____________, meaning they consume food for energy.

This scientist developed an early version of classifying things by classifying all organisms as animals or plants. The model was flawed because it did not account for species that are neither plant or animal.

Being able to turn it's head 180 degrees is an ____________ that an owl has to help it spot prey & predators.

Fossils found in Earth's sediment show imprints of marine creatures at the deepest level, but show leaves and insect molds on the most recent layer. What conclusion can you draw about this area?

The gradual change of a species over time is called

What are the four kingdoms that fall under the Domain Eukaryota?

Early classification systems placed plants and fungi in the same category. What major distinction caused scientists to form separate kingdoms for each?

A variation caused some beetles in a population to have dark brown spots. An environmental change around this time favored the beetles with brown spots. What can you expect to the population of beetles with brown spots?

Fossils from 40 million years ago show horses hooves with 4 toes. Horses today have 1 single toe on their hoof. Which trait is evidently better for the survival of horses?

What musical artist would Mrs. Smith MOST likely sell her soul to see in concert?

A mystery organism can perform photosynthesis, is multicellular, and has a cell wall. An example of an organism in this kingdom is a rose. What kingdom am I describing?

What are the two components of an organism's binomial nomenclature?

The is a snowy tundra. The population of mice in the tundra either have brown or white fur. Which population is best adapted to camouflage themselves in their environment?

A swirly fossil shell is shown in a layer of rock from 40 million years ago. As scientists investigate layers closer and closer to the surface, they find an increase in this swirly type of shell and a decrease in other types. Why is this?

What is the binomial nomenclature of a human?

A student makes the following observations about an organism: it is unable to move, it obtains energy from breaking down dead plant matter, it appears to be multicellular, and it releases carbon dioxide as a waste product. What kingdom does this organism likely belong to?

A student is researching differences between Kangaroo rats (Diapodomys compactus) and Kangaroos (Macropus osphranter). Are the species from the same Genus? Why or why not?

A population of birds live on an island. After an earthquake, half of the population of birds are geographically isolated from their food. What will eventually happen to the population if they are unable to adapt?

Fossils are usually found in what type of rock?

What is the difference between natural and artificial selection?

A student makes the following observations about an organism: it is a prokaryote, it has a cell wall, it is unicellular, and it was found in the extreme environment of the inside of a volcano. What kingdom does the organism likely belong to?

Who's method of classification forms the basis of our 6 kingdom system today?