Climate changes can produce various effects in ecosystems. which of the following is a way that marine ecosystens can be affected by climate warning trends?
a. decreased ocean acidity
b. increased populations of fish
c. decreased levels of carbonate
d. all of the above

ok

explanation:

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands