An _observation_ is taken using the senses
Answer:
c. platelets - phagocytize
Explanation:
Platelets are blood cells also known as thrombocyte, that helps with blood clotting to stop bleeding. In the case of an injury that leads to blood vessel damage, signals are sent to the blood platelets, once the signals are sent, the platelets and other coagulation react to the blood vessel damage and they form they initiate a plug (clot) to fix the blood vessel damage.
The are usually not involved in phagocytosis, the phagocytes including macrophages, monocytes, granulocytes, and dendritic cells are involved in phagocytosis
Answer:
1. all different lives in 1 area
2.supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.
3.heat differences between the forest and the tundra are the climates, animals and plants. The tundra's climate is very cold while the forest is warmer and the tundra receives little sunlight whereas the forest receive direct and constant sunlight. The animals living in the tundra includes the arctic fox, snowy owl,caribou,ermine and polar bear and some tropical forest animals are the howler monkeys,sloths,jaguars,parrots and toucans. There are only a few plants that grow in the tundra. Some of them are the arctic moss, arctic willow, bearberry and pasque flower. These are the differences between the tropical forest and the tundra.
Explanation: hope it helps ::)))
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
The adult heart pumps about five quarts of blood each minute so around 2,000 gallons<span> of blood each day.A typical athlete's heart churns out up to </span>eight gallons<span> of blood per minute.</span>