How many germ layers do flatworms have?

The composition of sedimentary rock shows the source of the sediment that makes up the rock. Which of the following would provide the best evidence of how the rock formed?

The formation of which type of severe weather requires a lot of water and thermal energy?

You cross a plant with red flowers with a plant with whit flowers. Both plants are purebreeding. All the offspring have pink flowers. What allele relationship does this display?

What is the role of nitrogen phosphorus and sulfur

Explain, in your opinion, why do cells require energy, and how does the lack of energy affect the organism in general?

What would happen to a freshwater protozoan if removed from its normal habitat and placed into a saltwater pool? A) Loss of water through osmosis. B) Gain of water through osmosis. C) Loss of water through active transport.

Stephen has a burning sensation during urination and has noticed a yellow-white, pus-like discharge. which sti matches these symptoms?

The most basic or lowest-level need in Maslow's hierarchy of human motives includes the need for a food and drink. b religious fulfillment. c love and friendship. d self-esteem. e achievement.

Bacteria that cause foodborne illness don t stop multiplying at refrigeration temperatures, they just slow down. a. True b. False

What process uses rock layers and index fossils to determine an object estimated age