1. Well developped offspring, and portable baby food despencing. Mamalian young are generally quite well developed when they are born, and the parent does not need to find any specific types of food for the new born since the mother already provides te perfect nutrition.
2. Internal heating allows mammals to remain quick and active in cold climates.
3. Fur is really effective and cheap to produce.
Answer:
Biodiversity is the amount of variety of life on Earth.
Explanation:
Biodiversity boosts ecosystem productivity where each species, no matter how small, it has an important role to play.
<u>For example,</u>
a larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all forms of life.
Answer:
The correct answer would be C, burning of wood and coal
Explanation:
The burning of fossil fuels (coal, oil, natural gases) increases the greenhouse gases in the atmosphere.
Glyccocayx sugar coat that surrounds cells
Answer: Proteins
Explanation: A protein molecule is <u>made from a long chain of these amino acids</u>, each linked to its neighbor through a covalent peptide bond. <u>Proteins are therefore also known as polypeptides.</u>