Answer:
Explanation:
A keystone species is the one which plays an important role in maintaining the structure of the ecosystem. On the keystone species many other species of the ecosystem are dependent upon.
The potential effects associated with the keystone species includes the following:
1. No other species will be capable of filling the same ecological niche. Hence, the dependent organisms will suffer and the ecosystem will change drastically.
2. The ecosystem will be populated by the invasive species which will affects the population of native species.
Answer: Hydrophobic hormones
Explanation:
Hydrophobic hormones are able to diffuse through the membrane and interact with the intracellular receptor.
These hormones travels in the blood plasma which is bound to the plasma protein.
Example: Steroidal hormones are highly hydrophobic in nature.Steroids are sex hormones related to the maturity of the body.
<span>B. The algae and the spider crabs have a mutualistic relationship
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<span>E. The spider crabs are parasites of the algae.
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