The milankovitch cycles describe the change in caused by cyclical changes in the earth’s orbit around the sun.

Many colleges review students’ scores on the _ or _ before deciding whether to offer them admission.

Which the following is a common trait in a four year college

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.