It is Acceleration.
Explanation: You can probably find it in the back of your book in the definition.
Answer: The correct answer is option B
Explanation:
The correct hierarchy level is
Organelles-cells-tissue-organ-organ system-organism-population-community-ecosystem-biosphere.
Community refers to the group of populations of two or more species located in the specific area. Thus, populations exist within community which exist within ecosystem.
Thus, option B is incorrect.
The freezing water would sink to the bottom and freeze the lake water from the bottom up.
Answer:
Average current
e.g convectional currency
<span>1. Bipedal gait
2. free to use hands for tools or carring capacity
3. increase in cranial capacity
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Evidence points to bipedalism evolving before the expansion in human brain size. The different hypotheses are not necessarily mutually exclusive and a number of selective forces may have acted together to lead to human bipedalism. </span>
