Answer and explanation:
One negative effect that floods have on an ecosystem is that they destroy natural habitats and wildlife homes.
One positive effect that floods have on an ecosystem is that they can make fertile land a soil for plants a crops to grow.
One impact hurricanes have on an ecosystem is that they can bring unnative species from one place to another.
One impact tornados have on an ecosystem is that they can also destroy homes of native wildlife species.
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Both mitosis and meiosis are a cell division process having various similarities and differences.
Similarities between the process of mitosis and meiosis include:
- Both the processes are cell division process.
- Both the processes occur in the nucleus of a cell.
- Both the processes result in the formation of daughter cells.
- The main phases are the same in both the processes
The differences between mitosis and meiosis include:
- As a result of mitosis, two daughter cells are formed. As a result of meiosis, four daughter cells are formed.
- The process of mitosis occurs in somatic cells whereas the process of meiosis occurs in reproductive cells.
- The daughter cells formed as a result of mitosis are the exact copies of parent cell. In the process of meiosis, genetic recombination occurs and hence the daughter cells are not exact copies of parent cells.
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<span>a. Cretaceous
</span>The continents began to drift apart by the end of the _______ period.
NOT:
b. Cambrian
c. Neogene
<span>d. Permian</span><span>
</span>
Semen is a mixture of sperm and seminal fluid, a liquid that consists of the secretions of the seminiferous tubules, seminal vesicles, prostate, and bulbourethral glands.
The seminal fluid (which is primarily composed of water, fructose, proteins, minerals, and other micronutrients) provides the sperm with a transportation medium, nutrients, and protection from the hostile acidic environment of the male’s urethra and the female’s vagina.