The amount of energy entering an ecosystem from the sun is equal to the amount of energy used by organisms plus the amount of energy lost as heat. true false

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples