Answer: Abiotic factor for polar: Ice
Abiotic for desert: Sand
Biotic for polar: Polar bears
Biotic for desert: Cacti
The types of factors are different because there are different set conditions for each ecosystem. A cactus is built for it's hot, dry ecosystem. If it were to move to a polar ecosystem it would not survive there. Same for the polar bear. It's built for polar regions. It has white fur to blend with the white ice to help it blend in and it's adapted to swim to get it's food source.
Explanation:
Answer:
There are two kinds of cellular communication: communication between cells is called intercellular signaling, and communication within a cell is called intracellular signaling.
Explanation:
Innate activities are activities that are intrinsic, which means activities that are part of our genetic and physiological being. Examples: desire to feel good, to feel warm, to have no pain,...
For dogs the innate activities are to run, to touch , to play, to go outdoors,...
According to these explanation the following activities seems to be innate for dogs:
B. Submitting to its owner - the dog has connection and life with his owner
It increases ecosystem productivity, protects fresh water resources, and provides nutrient storage and recycling
Scientists suspect that human language evolved around 150000 years ago.
<span>the human language is linked to the Homo Sapiens who lived around 150,000 to 200,000 years ago in eastern or perhaps southern Africa</span>
The reason why scientists suspect this is <span>by evidence of abstract and symbolic behaviour in the early modern humans, taking the form of engravings on red-ochre.
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