Ireally suck at bio lol.. this was the first space mission made by the soviet union. although it seems primitive now, it gathered information about earth's atmosphere and sent signals back to earth, a breakthrough for its time. voyager 1 cassini-huygens spirit sputnik 1

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.