Biology, 03.08.2019 03:30 jessica01479
Which of the following statements is true? 1. decomposition and weathering recycle matter in an ecosystem. 2. the total amount of energy in an ecosystem is always increasing. 3. primary consumers break down dead organisms into essential chemicals. 4. water is part of an open system, which means it must be continuously replenished in an ecosystem.
Answers: 1
Biology, 21.06.2019 14:20
People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?
Answers: 1
Biology, 22.06.2019 02:00
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 a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
Biology, 22.06.2019 04:50
Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates
Answers: 1
Which of the following statements is true? 1. decomposition and weathering recycle matter in an eco...
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