The oldest known vascular plants in the northern hemisphere are Devonian.

Which function of the skeletal system would be especially important if you were in a car accident? fat storage protection of internal organs storage of minerals facilitation of movement

What limiting factor or factors slowed the growth of the human popualtion on easter island? what other factor might limit the growth population of organsims? give at least three specific examples?

What are chemicals that have certain hallucinogenic effects on human nervous systems

Explain how capillary action is really just teamwork between adhesion and cohesion.

Name two storage organelles

Which type of fault-monitoring device is most like a carpenter's level? a. tiltmeter b. laser-ranging device c. creep meter d. satellite

The crystals that form in slowly cooling magma are

In the spring of 2010, there was a catastrophic explosion on an ocean oil drilling rig, causing millions of gallons of oil to be released into the Gulf of Mexico. Many organisms died due to the thick sludge in their habitat.

In what ways are invasive species succesful in their non-native environment

Which of the following stresses would most likely cause an ecosystem to respond by succession? A. wildfire B. air pollution C. water pollution D. urbanization