Foreign invaders have proteins called antigen, which antibodies lock onto to neutralize. The foreign proteins are different from proteins in our own body, so the immune system can recognize them and finally eliminate them.
Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
The answer here is ATP.
ATP is used in the first step of glycolysis to convert glucose into glucose-6-phosphate (that's where the phosphate comes from).
Answer:
Their ability to manufacture their own food
Explanation:
There are two main types of plankton. this includes phytoplankton and zooplankton. Phytoplankton are different from zooplankton in that these plankton are plant-like and undergo photosynthesis manufacturing their own food. They are also regarded as being autotrophic. They are important in that other organisms including the zooplanktons depends on them for food, hence they can also be categoriZed as producers.
