The tropical rain forest ecosystem near the amazon river contains hundreds of food chains. which term refers to the combination of all food chains within an ecosystem? food web trophic level primary food chain ecosystem

Which are important parts of a cell membrane

State what enzymes are made of

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.

What connective tissue fibers are most important in providing a very delicate network within the spleen?

What plant is used to improve appearances

What is an unusual defense some lizards have developed to protect themselves?

What types of cells have half the number of chromosomes?

Is it true that prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular

What is the difference between a single gene disorder, multifactorial disorder and a chromosomal abnormality?

How are pediment formed?