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Naddika [18.5K]
2 years ago
15

What effect do calcium ions have on the water in ecosystems?

Biology
2 answers:
Misha Larkins [42]2 years ago
7 0
I believe it is C.They add to its hardness.
nignag [31]2 years ago
7 0

Answer:

They add to its hardness (Apex)

Explanation:

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Which of the following phenomena usually only has an effect on very small populations?
Volgvan

A) Populations

B) Genes

C) Individuals

D) Communities

<em>A population is defined as:</em>

<em>A) all individuals of all species located throughout the world</em>

<em>B) all individuals of the same species located in a given geographic region</em>

<em>C) all individuals of the same species located throughout the world.</em>

<em>D) all individuals of all species located in a given country.</em>

<em>E) </em>those individuals of the same species that have an identical genetic makeup.

The allele frequency of a population is the:

A) sum of all genes in that population.

B) relative proportion of a given allele in that population.

C) number of different types of alleles in that population.

D) number of all alleles in that population.

6 0
2 years ago
HELP
user100 [1]

Answer:

The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels).

Explanation:

Hope this helps...

3 0
2 years ago
A ___ is a factor in an experiment that can be manipulated.
Scilla [17]
Variable would be the most logical
4 0
3 years ago
Suppose you are sitting under an umbrella reading a book. You suddenly look up at the sky to see an aeroplane fly past.Explain t
Brums [2.3K]
木すなやかあにゃやな、ぬやなてはかにゆからねひやな
7 0
2 years ago
What would happen if the pouter pigeon and the fantail pigeon and the fantail pigeon were selectively bred?
lozanna [386]
<h2>Answer:</h2>

The offspring population will contains the desirable characteristics of both fantail pigeon and the fantail pigeon.

<h3>Explanation:</h3>
  • The selective breeding is the planned breeding between two organism of the population with desirable properties to result in the new traits from both parents in the single next generation offspring.
  • In this case, the offspring of the pouter pigeon and the fantail pigeon will contain the traits of pouter and it also has fantail.
  • The new generation will be selective breed an it is from the breeding of intra specie organism. If breeding is inter specie than the offspring is most probably infertile.
4 0
3 years ago
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