Photosynthesis is important because all living things need oxygen in order to survive!
The definition of a biological species is that they will only breed with members of their own species. If the two populations of chimps will no longer interbreed, then they are considered separate species = speciation.
B. Speciation
Anwser: carbohydrates perform two main functions: participate in cell recognition and adhesion, either cell-cell signaling or cell-pathogen interactions, and they have a structural role as a physical barrier.
Explanation:
Answer:
Letter A
Explanation:
From the description you make, it's likely that the structure with letter A is the chloroplast. It is round and small and it's free because of the pigment needed for photosynthesis (chlorophyll). It is located inside the cell, suspended in the cytoplasm.
Answer:
headache,
common cold,
allergy,
upper respiratory infection,
muscle soreness,
sinus infection,
sun sensitivity
Explanation: