Answer:
Biological species concept defines species as individual in a population that can interbreed and produce viable offsprings. Therefore Biological species concept is not applicable for extinct species
Morphological means in relation to structure therefore, this concept relies on similarity of structure to classify species.
Phylogenetic refers to members having the same ancestor. It classifies species according to common ancestry. Hence it will be based on evolutionary history.
Morphological and phylogenetic- Will accommodate asexual reproduction and species acceptance criteria can be subjective.
Biological, morphological and phylogenetic-Together they are used by scientists in classification
While DNA has the ATCG nitrogenous bases, RNA replaces thymine with uracil, making its bases AUCG. So, that means that whenever DNA has adenine, instead of pairing this with thymine, RNA will use uracil instead.
Answer:
Function Seeds serve several functions for the plants
Explanation:
Functions. Seeds serve several functions for the plants that produce them. Key among these functions are nourishment of the embryo, dispersal to a new location, and dormancy during unfavorable conditions.
Sebaceous glands are present on all skin surfaces except on the palms, soles, lips, and parts of the external genitalia.
Sebaceous glands are part of the pilosebaceous unit. There are generally numerous sebaceous glands per each hair follicle. Sebaceous glands are true exocrine glands made up of lobules and ducts.
The lobules are made up of sebaceous cells which produce sebum, a fatty substance that lubricates hair and has bactericidal and fungicidal properties.
These sebaceous or oil glands are also classified as holocrine exocrine glands. It means that the entire sebaceous cell loses its cytoplasm and dies in the process of discharging its contents during the excretory process toward the middle of the gland into its lumen.
To learn more about exocrine glands here
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