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ololo11 [35]
2 years ago
12

I'M GIVING YOU 100 POINTS FOR THIS AND BRAINLY. PLEASE HELP!!!!

Biology
2 answers:
Gennadij [26K]2 years ago
7 0
The student is incorrect. Reason being that most of the water is too salty for human consumption.
natali 33 [55]2 years ago
3 0

only about 3% because all of the other water would have to be filtered incorrect to be safe to drink so the student was incorrect in saying that there was water directly for humans to drink

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In the hypothesis that C. stellatus (a species of barnacle) is competitively excluded from the lower intertidal zone by B. balan
lord [1]
<h2>Competitive exclusion principle.</h2>

Explanation:

The fundamental and realized niches of B. balanoides are identical, but the fundamental and realized niches of C. stellatus are different.

All the possible combination of resources and condition under which a species can grow, survive and reproduce is called its fundamental niche. Whereas, the more limited set of resources and condition under which a species can grow, survive and reproduce in the presence of competitors and predators is termed as its realized niche.

Competitive exclusion principle states that if two competing species coexist in a stable, homogeneous environment, then they do so as a result of differentiation in their realized niche.

<em>B. balanoides</em> can use a wider range of resources than<em> C. stellatus </em>because its fundamental and realized niches are identical . Hence thrives to exclude C.stellatus.

4 0
3 years ago
a man is twice as old as his son.Five years ago the ratio of their ages was 9:4.Find the sum of their ages​
elena-s [515]

Answer:

75years

Explanation:

Let the Father's age be represented by 2x

Let the Son's age be represented by x

Five years ago;

Man's age will be = 2x - 5

Son's age will be = x - 5

If the ratio of their ages five years ago was 9:4, then;

2x - 5/x-5 = 9/4

4(2x - 5) = 9(x - 5)

8x - 20 = 9x - 45

- Collect like terms

-20 + 45 = 9x - 8x

25 = x

Hence, the son's age = 25 years

If x = 25, the father's age (2x) will be 2 × 25 = 50years

The sum of their ages will be = 25years + 50years = 75years

6 0
3 years ago
Why is it important that individuals accurately report the procedures and results from experiments
Zolol [24]
It is important since it will affect the credibility and reliability of the experiment or the said study. It is vital aspect in every research since many studies are subject to replication in order to validate and verify the said study. This repeatability will increase the impression of the study of its consistency and direct implications, having a stronger sources and results.

<span>Research method is always used to answer every scientific inquiry and in gaining evidential data or knowledge. The scientific method has the following process or at least undergoes the process of
1. Observation</span> 
2. Hypothesis 
3. Experimentation 
4. Interpretation of data 
5. Evaluating the data 
<span>6. Passing and recording the data </span>

8 0
3 years ago
As the peppered moth evolved over time, its wings changed from light to dark so that it could better
solong [7]
So that it could camouflage better.
3 0
3 years ago
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Which is true of the anterior horns of the spinal cord?
Alja [10]

Answer:

They house cell bodies of somatic motor neurons.

Explanation:

8 0
3 years ago
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