What three reasons show that aquarium 1 has the most stable ecosystem? 1)
aquatic plants 400g
fish that eat plants 40g
fish that eat fish 4g
bacteria .001g

2)
aquatic plants .1g
fish that eat plants 4g
fish that eat fish 40g
bacteria 400g

3)
aquatic plants .1g
fish that eat plants 4g
fish that eat fish 40g

4)
aquatic plants 400g
fish that eat plants 40g
fish that eat fish 4g

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

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.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?