The endosymbiotic theory explains eukaryotic evolution.

a. True

b. False

What effect does turbidity have on an aquatic system?

1. Which of the following is know as "the glue" that holds our Solar System and Galaxy together? A - Centripetal Force B-Gravity C - Magnetism D - Centrifugal Force

Based on the name of the muscle pronator teres, what can you tell about it? check all that apply. its shape its action its number of muscle heads its body region

Mullet are local estuarine fish that move in schools and feed on plankton and plant matter. Natural predators of the mullet include spotted sea trout, sharks, pelicans and dolphins.

If the strips of clay represent the Earth's lithosphere, what do you think is formed in the lithosphere?

Life cycle of tobacco mosaic virus

How do producers differ from all other organisms in an ecosystem? A. All other organisms rely directly on the sun for energy. B. Producers are the only group capable of making their own food. C.

The same reptile known as a river turtle in illinois is called a cooter in florida. This language phenomenon is classified as

In rats, gene B produces black coat color if the genotype is B-, but black pigment is not produced if the genotype is bb.

Gregory is studying Lake Mairead. The lake has clear water and supports a healthy community of algae, fishes, and other aquatic organisms. Gregory hypothesizes that phosphorus is a limiting nutrient in the lake.