Animals need shelter and insulation in the Tundra. The animals here tend to have thicker and warmer feathers and fur. Many of them have larger bodies and shorter arms, legs and tails which helps them retain their heat better and prevent heat loss.
Answer:
Explanation:
Biogeochemical cycles represent the main system by which the energy of the Sun is transformed into energy of the chemical compounds by living beings and products of their activity. :)
Answer:
Land is an essential natural resource, both for the survival and prosperity of humanity, and for the maintenance of all terrestrial ecosystems. ... Increased demand, or pressure on land resources, shows up as declining crop production, degradation of land quality and quantity, and competition for land.
D.
Mitosis is the division of body cells, which create exact copies.
Meiosis is the division of sex cells, which contain half the dna of the original cell. Each combination of DNA within the cells can be different due to how the chromosomes cross over during meiosis.
<span>The real energy comes from the sun, which is solar (light) or from radioactive</span>