Answer: Are special capillaries that supply nutrients to the walls of arteries and veins.
Answer:
Photosynthesis happens in the leaves of a plant.
This is a chemical reaction, which takes place inside a plant, producing food for the plant to survive. For photosynthesis to take place, carbon dioxide, water and light are needed.
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Herbivores have flat teeth because that helps them chew plants easier.
Omnivores have both sharp and flat teeth because they eat both meat and plants, so they need both types
Correct answer is a. intertidal zone
The correct answer is C. Because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system.
This is important because the organism will react defensively towards the foreign bodies and fight them instead of accept them, so this will make a big problem in the process of fertilization.
