Coral reefs are among the world's richest ecosystems, second only to tropical rain forests. like the tropical rainforest, the coral reef ecosystem is in danger. coral is being harmed by all but one of the following. a) soil run-off b) blast fishing c) global warming d) mineral deposit

Adistinctive characteristic of mammals that is not observed in other vertebrates is

Which characteristics must an object possess in order to be considered alive?

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.