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3 years ago

What do biogeochemical cycles represent?

1 answer:

5 0

The biogeochemical cycle of water, or the hydrological cycle describes the way that water (Hydrogen Dioxide or H 2 O) is circulated and recycled throughout Earth’s systems. All living organisms, without exception, need water to survive and grow, making it one of the most important substances on Earth.

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The most recent theory that upholds the Big Bang theory but suggests a sudden expansion after the bang is called what?

aev [14]

The answer would be Inflationary Theory.

4 0

3 years ago

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True-breeding flies with singed bristles (s) and normal wings (L) were crossed to true-breeding flies with normal bristles (S) a

mina [271]

Answer:

The correct answer is -

Possible F2 offspring genotypes and phenotypes:

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

Explanation:

In this case, the genes 's' and 'L' and genes 'S' and 'l' are linked, they will be passed on to the gamete together.

The cross would be as follows:

F1:

Parents: singed bristles and normal wings x normal bristles and vestigial wings

Genotype: ssLL SSll

Gametes: sL Sl

F1: SsLl ( normal bristles and normal wings )

For F2,

Parents: normal bristles and normal wings x singed bristles and vestigial wings

Genotypes: SsLl ssll

Gametes: SL, Sl, sL, sl

Cross:

SL Sl sL sl

sl SsLl Ssll ssLl ssll

Thus the possible offspring will have -

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

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3 years ago

If the Alligator doesn’t eat the bird the relationship would then be called?

gayaneshka [121]

It would be considered E
Since
Parasitism is when one be benifits at the others harm, normally has a host and parasite. Like a tic and dog. The tic is the parasite and the dog is the host

Competition is when two animals fight for prey, territory, or mates. Like when two male lions fight to prove strength and the winner leads the pack while the other is kicked out and must go find there own pack

Mutualism is is when two animals are counted as mutuals. Like the alpha male and female that believe they are equals

Predation is when one animal eats another it normally has a prey and a predator Like the cat and the mouse. The mouse is the prey and the cat is the predator

Commensalism two animals live peacefully in the same habitat. Like the cow and the cowbird both love in harmony

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3 years ago

Which of the following is not a feature of cardiac muscle? Multiple Choice They depend almost exclusively on aerobic respiration

Karo-lina-s [1.5K]

Answer:

The correct answer will be option-They have about the same endurance as skeletal muscle fibers.

Explanation:

Cardiac muscle is one of the three types of muscle which is present in the Heart of the organism.

The muscle fibres of the cardiac muscle possess a high amount of myoglobin- an Oxygen carrying molecule which can store the oxygen for some time.

The cardiac muscles have to pump blood in the body, for which they require a high amount of ATP, so they possess larger mitochondria.

The studies have shown that the cardiac muscles store glycogen carbohydrate which is used during the relaxation phase in stress conditions.

Since the cardiac muscles do not have the same endurance as the skeletal muscles which with physical exercise can be increased therefore the selected option is the correct answer.

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3 years ago

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In what two places in the cell can translation occur.

Vlada [557]

Answer:

in the cytoplasm and

mitochondria,

Explanation:

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3 years ago