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natali 33 [55]
3 years ago
5

What is the importance of the excretory system?

Biology
1 answer:
Triss [41]3 years ago
8 0
The excretory system is intended to remove any solid/fluid waste from your body, such as urine.
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A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and d
spayn [35]

Answer:

Volume= 4 cm³

Density= 2 g/cm³

Explanation:

We have the following data:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

6 0
3 years ago
Humans developed antibiotics to fight bacterial infections. however, some antibiotics are no longer efective in killing the bact
9966 [12]
Evolutionary theory predicted that bacterial resistance would happen. Given time, heredity and variation, any living organisms including the bacteria will evolve when a selective pressure, in this case an antibiotic is introduced. However it also gives doctors an patient some specific strategies for delaying even more widespread evolution of antibiotic resistance; these strategies include; avoid mild doses of antibiotics over long time periods, don't use antibiotics to treat viral infections, when treating bacterial infection with antibiotics, take all the pills, and also using combination of drugs to treat a bacterial infection.
6 0
3 years ago
Due to its location, Hawaii does not have very many land birds. The Hawaiian honeycreepers are a favorite for many ornithologist
sdas [7]

Answer:

In speciation, organisms evolved with the passage of time.

Explanation:

Speciation is the evolutionary process in which populations of species evolve with the passage of time to become different species from the original one.  Temporal isolation and gametic isolation are two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to occur speciation. The newly available niches could lead to speciation of that organisms that tolerate the Hawaiian climatic conditions when the extinction of Hawaiian honeycreepers occurs. The new organisms used the available resources such as food and space etc and increase its population.

5 0
3 years ago
A marine biologist exploring a deep sea trench locate a new species of soft-bodied creature with an unfamiliar shape he is able
Rudiy27

Answer:

It is B!!!

Explanation:

The whole quiz - because i got i believe 2 wrong cause of wrong people :/

1. C

2. D

3. B

4. C

5. C

5 0
3 years ago
According to the diagram of the water cycle, what happens to the water in the oceans before it becomes water in the atmosphere?
lions [1.4K]
I believe the answer is that it condenses. 
7 0
3 years ago
Read 2 more answers
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