Answer:
Therians do not lay egg.all birds lay egg
Explanation:
Hi , the answers are:
A. a widely distributed fossil of narrow range in time
B.the beginning of a new or distinctive period
C. a molecule capable of acting as an enzyme
D. animal using only two legs for walking.
Cold Southern Oceans like the Pacific, Atlantic, Indian, etc. are collecting CO2 from the air!
Normally a 10× drop for each trophic level, so I'd say 2,000 kilocal.
