Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
Fermentation is a type of chemical process which enables heterotrophs to obtain energy without oxygen . Heterotrophs uses procedure of fermentatation to cultivate because in process of fermentation enzymes are the catalysts and they provide energy to heterotrophs
Answer:
In S phase, the cell synthesizes a complete copy of the DNA in its nucleus. It also duplicates a microtubule-organizing structure called the centrosome.
Explanation:
Answer:
1. interactions
2. environment
3. sun
4. photosynthesis
5. chemical
6. producers
7. food
8. energy
9. organisms
10. herbivores
10. first
12. Heterotrophs
13. second
Explanation:
An ecosystem consists of a community of living organisms
interacting with each other and the environment. The source of energy that fuels most ecosystems is the sun. Plants use the Sun’s energy to produce food in a process called photosynthesis.
Organisms that use energy from the Sun or energy stored in chemical compounds to produce their own nutrients are called autotrophs. They are also called producers because most other organisms depend on autotrophs for food and energy. Heterotrophic organisms that can’t make their own food may obtain nutrients by eating other organisms. A heterotroph that feeds only on plants is called an herbivore. Herbivores are also called first order heterotrophs. Heterotrophs that feed on other herbivores are second order heterotrophs.
Answer: Enzymes are organic bio-molecules that catalyze the chemical reactions in biological system. Similar to catalyst, an enzyme accelerates the rate of a chemical reaction and it is neither consumed nor changed in the reaction. Therefore, the enzymes are also called bio-catalysts.
Explanation:
