Answer:
The tentacles on snails are sensory organs, they use them to feel around their environment, that largest pair (or only pair on certain species) have light-sensitive patches on them, either at the tip or at the base. There are also olfactory sense cells, or their sense of smell cells, on the tentacles.
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Explanation:
Cell differentiation is mediated primarily by gene expression levels.
<h3>What is cell differentiation?</h3>
- It is likely that all cells originate from stem cells and acquire their functions as they develop.
- Stem cells are typically positioned at the top of a hierarchical structure that represents cellular composition.
- Cell differentiation is crucial because it fosters diversity in our body's cells as well as in life on Earth.
- It also enables cells to develop distinctive structures that are appropriate for their particular roles.
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The correct answers are selective breeding, hybridization, induced mutation.
The classical biotechnology deals with the use of techniques such as selective breeding, hybridization, and induced mutation. The above procedures drive the classical biotechnology. Some of the recent industrial development programs were successful using these techniques. Selective breeding involves the breeding of desired characters of plants or animals to get the hybrid which has the desired characters. Hybridization is the process of breeding of different organism to get the hybrid. Induced mutation by UV rays and chemicals, is also used to obtain various substances such as penicillin antibiotic from mutated fungal stream.
Answer:
The sun.
Explanation:
Producers use the sun to produce their own food, followed by primary consumers which eat the plants, and secondary consumers which eat the animals that eat the plants. Circle of life.