Animals in the food chain need to eat less food than the animal in the previous level did to stay alive. True or False?

When meiosis is complete, what is produced? A. Four haploid cells B. Two haploid cells C. Two diploid cells D. Four diploid cells

Sort the descriptions of open clusters and globular clusters into open clusters or globular clusters A. no more than a few thousand stars B. disorganized C. tightly packed D. more than a million stars E. made of older stars F. loose

Explain how groundwater overdraft occurs and its likely consequences

A system is a group of related parts with specific roles that work together to achieve an observed result. Seeds, soil, a plow, and a large field are parts of what type of system?

Summary about food chain

Enzymes are changed during reactions

Name the agents of pollination

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.