Answer:
he relationship between environment, variation and selection lay the foundation for natural selection and evolution.
Genetic variations are present among species due to number of reasons like recombination or crossing over during meiosis, mutations, random fertilization etc. These factors bring changes among the members of a species. Some of the species become better adapted to survive in a particular environment whereas some are not better adapted and become extinct over a period of time. The environment selects the organisms that are best adapted to survive and hence lead to variations.
Explanation:
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The answer is c when the substances are evenly spread out.
The correct answer is: B. Fungus X is a common mold, and fungus Y is a chytrid.
A mold is a fungus that grows in the form of multicellular filaments called hyphae which form a network known as a mycelium. This group of fungi is important in biotechnology and food science (for example production of foods, beverages, antibiotics, pharmaceuticals and enzymes).
Chytrid ("little pot") refers to group of fungi with chitin cell walls, a posterior flagellum and absorptive nutrition. They reproduce with zoospores (motile asexual spores).
Answer:
Pyruvic acid and lactic acid (products of carbohydrate digestion) accumulate in the tissues.
Explanation:
Answer:
No
Explanation:
A renewable resource is one in which the rate at which its being replenished is higher than the rate at which it is being used up.
For example, the air we breathe is a renewable resource because it doesn't get used up as we draw it.
- If the rate of drawing down a ground water supply exceeds the rate of its recharge, then such a water source is non-renewable.
