HELP BRO PLEASE What is a major threat facing Intertidal zone ecosystems?

the mysterious disappearance of phytoplankton

exceptionally high or low tides

habitat destruction caused by hurricanes

pollution caused by human activities

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.

Aplant may open end close its stomata to prevent excess water loss and maintain

3differences between bacteria and other 2 cells