Answer:
Directly counting blood cells or tissue cells by using a hemocytometer can determine the concentration of a known volume. Counting the number of colonies that arise on a pour plate can calculate the concentration by multiplying the count by the volume spread on the pour plate.
Answer:
producers get energy from the sun and other elements.
consumers eat the producers that got energy from the sun. and gain energy that way.
hopefully that helps.
A seals flippers has finger bones when a birds wing is just a bone connected to other joints.
