The “great dying,” which saw 96% of all species extinct, was partially caused by(1 point) an asteroid impact.

lower levels of carbon dioxide in the air.

bacteria producing large amounts of toxic methane.

algae consuming too much oxygen from the ocean.

Organize the word parts according to where they appear in a medical term.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.