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Dvinal [7]
3 years ago
11

Which of the following best describes how a biotic factor can limit the population growth in a species?

Biology
1 answer:
IRISSAK [1]3 years ago
6 0
A parasite invades the species and causes its population to decline because a biotic factor is a living factor that affects a species
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Match the layers of the Earth to their proper composition.
murzikaleks [220]
Lithosphere would go with Solid Rock.
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Inner Core would go with Solid Iron.
Asthenosphere would go with Liquid Rock.
Hope I helped!
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1) Worms decompose plant material.
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The sum total of an organism's interaction with the biotic and abiotic resources of its environment is called its A) habitat. B)
ivanzaharov [21]

Answer:

E) ecological niche

Explanation:

Every species on the planet, be it a bacteria, animal, or a plant has its own ecological niche. Basically, the ecological niche is the position and role that an organism is occupying in the environment. Further, this means that it is a combination of all the activities of the organism, how it uses the biotic and abiotic factors in the environment it leaves, how it finds food and how it feeds, its shelter, reproduction, the manner in which it survives. All of that sums up the species and its role in the environment, thus its ecological niche. There are countless ecological niches, as there are millions of different species, all of which have their own way of living, feeding, reproducing, interactions with the biotic and abiotic factors, resulting in numerous unique ecological niches.

8 0
3 years ago
How would you make 2.5 liters of an aqueous solution containing 150mM Tris (the MW of Tris is 120g/mole)? (Hint: Do the necessar
lisabon 2012 [21]

Answer:

45 g of the solid Tris will be dissolved in 2.5 liters of water.

Explanation:

Recall that:

<em>Number of moles  = molarity x volume</em>

Hence, number of moles of Tris present in 2.5 liters, 150 mM solution:

= 150/1000 x 2.5 = 0.375 moles

Also, recall that:

<em>No of moles of substance = mass/molar mass.</em>

Hence, mass of 0.375 moles substance:

= no of moles of the substance x molar mass of the substance.

= 0.375 x 120 = 45 g.

Therefore, in order to prepare 2.5 liters, 150 mM of an aqueous solution of Tris, 45 g of the solid Tris will be dissolved in 2.5 liters of water.

6 0
3 years ago
Why are carbon atoms so common in living things? Include the term carbon skeleton in your answer.
aliya0001 [1]
The main reason why carbon atoms are so common in living things is because carbon is a very adaptable element in the sense that its electron configuration allows it to bond with many other atoms. 
3 0
3 years ago
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