Answer:
The femur contains yellow marrow, but the sternum does not. The femur makes red blood cells, and the sternum makes white blood cells. The femur contains compact bone, and the sternum does not.
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Answer:
D
. Energy flows from the Sun or from rocks through the primary producers and the successive levels of consumers.
Explanation:
Energy flows only through the sun not the rock because sun is the ultimate source of energy which can be used by the plants for making their own food in the form of glucose during the process of photosynthesis. This plant is then eaten by primary consumer known as herbivore. These primary consumer is eaten by secondary consumer is called carnivores. The tertiary consumer feeds on the secondary consumer and so on. In the end, decomposers feed on the dead bodies of animals and releases nutrients which can be used again by the plants for making food.
Answer:
3. B. deforestation
5. A. extinction of up to 25 percent of all land species by 2050.
Explanation:
:D
Answer:
B
Explanation:
Because it have second division
