D is the right for the question I guess and I got it right
Alleles are the alternative form of a gene that code for a given trait, the alleles may be dominant or recessive or exhibit incomplete dominance. When two alleles are similar they are referred to as homozygous while they are not similar they are referred to as heterozygous. Based on the founder effect, rare alleles and combinations may be improved in new populations because of the reduced size of the initial population.
Embryonic stem cells,
Tissue-specific stem cells.
Answer:
Asexual reproduction is a mode of reproduction in which only one parent is involved to reproduce offspring. In asexual reproduction,the offsprings produced are exact copies of their parents. It is generally observed in very small sized organisms. Binary fission, Budding, Fragmentation etc.
Explanation:
Answer:
1. ecology: e)the study of the relationship among organisms and the relationship between organisms and their environment.
2. Aristotle: g)an ecologist who developed classification system fro plants and animals.
3. environment: i) physical and biological surroundings of an organism.
4. cell: j) the basic unit of life.
5. Schleiden and Schwann: l) proved that cells are formed from the division of cells that already exist.
6.
7: ecosystem: i) physical and biological surrounding of an organism.
8: organism: k) any unicellular or multicellular organism.
9: biomes: c) land proportions of the ecosystem. e.g desert and tundra.
10: species: f) group or population of organisms that interbreed.
11: biosphere: h) the variety of species in different habitats on earth.
12: population: d) group of the same species living together in a certain location or region.
13: mutation:
14: Charles Darwin: b) proposed theory of natural selection.
15: species diversity: a) adaptability through random changes in the DNA.
