<span>Since
a phytoplankton is on the 1st trophic level. Therefore the energy
transfer from the phytoplankton to the Killer whale must be on the 4th
power.</span>
To
calculate:
Mass
of phytoplankton required = 1 gram / (0.1)^4
Mass
of phytoplankton required = 10, 000 grams
Therefore,
10, 000 grams of phytoplankton is needed to add 1 gram of mass to the Killer
whale.
<span> </span>
In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of residues that form temporary bonds with the substrate (binding site) and residues that catalyse a reaction of that substrate (catalytic site).
Answer:
B. are at the beginning of every food chain in a
community
make the environment suitable for complex plants
B.
Key word: slide
Think of sliding down a WATER slide.
Answer:
There are two main types of adaptation: physical and behavioral. Physical adaptations are special body parts that help a plant or animal survive in an environment.
Explanation: