A &C, Unable to reconginze his family
and no declarative alesia
Answer:
variations says it all...
A way in which models cannot be useful is: B). being a perfect representation of a situation.
<h3>What is a model?</h3>
A model can be defined as the creation of a physical object either from kits, components or other applicable materials that are acquired by the builder, so as to simulate a phenomenon or process.
This ultimately implies that, a model should be probabilistic in nature rather than being perfect, so as to effectively illustrate or describe the relationship that is existing between an independent variable and the dependent variable.
Generally, some of the ways in which models cannot be useful include the following:
- Building intuition for situations.
- Making predictions that can be verified.
In conclusion, we can infer and logically deduce that way in which models cannot be useful is being a perfect representation of a situation.
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Ans.
The biodiversity of a coral reef ecosystem will be decrease if there is a decrease in coral reef population as most if the marine organisms, such as microbes, sea urchins, plankton, fishes, seahorses, along with larger animals, such as sea turtles, directly or indirectly depend on coral reefs. As seaweeds act as competitors of corals, overgrowth of seaweed population would decrease population of corals.
This will lead to a disturbance in coral reef ecosystem and decrease the ecosystem's biodiversity. Thus, the correct answer is 'option B). the overgrowth of seaweed would prevent light from reaching the reef.'
C ,D,E the endocrine system uses chemical messengers / hormones compound that is produced in one tissue, released into circulation, then has an effect on a different organ ,it doesnt act alone but cooperate with nervous or other systems and then interact with other cells. Hormones are specific target cells
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