When a fungus on the roots of a plant helps absorb nutrients it needs from the soil, while the fungus gets what it needs from the plant, this is a single symbiotic relationship. <span />
Answer:
c. imprinting
Explanation:
Imprinting is the object of study of ethology, which is related to animal behavior. In the early stage of an animal's life, imprinting is an essential and most conducive phase for learning and subsequent development. The two main types of imprinting are sexual and filial. In sexual imprinting, a young animal learns the traits it seeks in a mate. Affiliate imprinting is the learning of a offspring from his / her parent.
In the case of the salmon fish situation, the need for workers to raise fingerlings (salmon) in stream water during a certain critical period in their early development is an example of imprinting. In this case, imprinting is necessary for the development of this animal in a different environment from the one it was raised.
The dirtiness of the water affected the Neutral Ph
1. Allows the heart to contract- muscle tissue
2.Insulates the body- connective tissue
3. Forms the outer most protective lare of body- epithelial tissue
3. Allows the brain to respond to stimli- nervous tissue
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