Answer:
Derived trait
Explanation:
An ancestral (or primitive) trait/character is a feature inherited from the common ancestor of the species/group of interest, while derived traits are those that were absent in the last common ancestor of the group of interest. For example, considering mammals as the target group, the presence of hair is a shared derived trait relative to other vertebrates, i.e., amphibians, reptiles, and birds. However, this trait (hair) is ancestral for humans since the genetically closest species to humans (e.g., chimpanzees) also have hair.
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Answer:
Human gametes should contain <u>23 </u>chromosomes each. This number would be considered the <u>haploid </u>number for humans. The symbol for this is <u>n</u>.
Explanation:
Gametes are an organism's reproductive cells. Female gametes are called egg cells, and male gametes are called sperm.
In most organisms, somatic cells (all cells except for gametes) are diploid, whereas the gametes tend to be haploid. Haploid cells have a single set of chromosomes, while diploid cells have two sets of chromosomes.
When it comes to human cells, somatic cells have 46 chromosomes. This means that each gamete has 23 chromosomes. This is called the haploid number and is marked by a lowercase <em>n</em>. This number refers to the total number of chromosomes found in a gamete (for human cells n=23).
Answer:
MELCS:1= Species are the group of actually or potentially interbreeding populations which are reproductively isolated from other such groups....... Thus, under the biological species concept, species are simultaneously a reproductive community, a gene pool, and a genetic system.
Both the plants and fungi possess the tendency to absorb nutrients from the soil. Plants do that with the help of roots and fungi does that with the help of hyphae.
Both the plants and fungi possess cell walls in the form of cellulose and chitin. However, only some of the plants possess the tendency to have rhizomes like ginger, lotus, turmeric, and several kinds of ferns.
Plants are mostly autotrophs, however, certain plants like insectivorous plants depend on others for their source of nutrition, that is, and insectivorous plants are heterotrophic. On the other hand, all the fungi show the heterotrophic mode of nutrition.
Only plants possess the tendency to perform the process of photosynthesis. In fungi, due to the absence of green pigment, that is, chlorophyll, they do not possess the tendency to perform photosynthesis.
Only fungi exhibit aseptate hyphae, these structures perform various functions in fungi. They comprise the cell sap or cytoplasm, also the nuclei comprising the genetic substance. It also helps in the absorption of nutrients from the surroundings.
Mainly the seeds are produced by plants and fungi produces spores.
