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Sergeu [11.5K]
2 years ago
6

Some blue-green algae contain gas vacuoles that allow them to adjust the air concentration inside their cells. How does this int

ernal gas vacuole benefit these organisms?
Biology
1 answer:
kupik [55]2 years ago
3 0

Answer:

float

Explanation:

like a balloon or an air filled raft

it helps them float

Gas vacuoles help bacteria in buoyancy and enable them to float at the desired depth. They do so by inflating and deflating the vesicles

byjus

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There is about 1,000 times as much DNA in a human cell as in a bacterial cell, but only 5 times as many genes. What accounts for
chubhunter [2.5K]

Answer:

Phenotypic plasticity

Explanation:

Humans have evolved over thousands of years to adapt to various environmental changes. For example, when we are in an environment that requires certain level of adaptation our off spring often formalizes epigenetic traits that lows them to overcome small changes in the environment. Over time certain genes that are turned on may remain on and eventually the ones that are off remains off. This give rise to some genes that "don't work"  after millions of years of such evolution we end up with a complex genome with more DNA than "working genes".

3 0
3 years ago
Read 2 more answers
How would road construction through a forest most likely affect the ecosystem
MAXImum [283]

It would be taking animals homes and if they don't have a home they could die. Also it could generally mess up their way of living and some would have to adjust to a new life style. I hope this helped <3

8 0
3 years ago
What organ lies on the outer wall of the testes within the scrotum?
shutvik [7]
The answer is the epididymis. It is a contracted, tightly-coiled tube linking back of the testicles to the deferent duct (vas deferens). The epididymis contains three parts and these are the head, body, and tail. The head of the epididymis is positioned on larger pole of testis. It stocks sperm for maturation.
6 0
3 years ago
A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The stude
Galina-37 [17]

Answer:The timing of the cricket's depends on the temperature of the box

so the answer should be

timing of the cricket's chirps

Explanation:Hi!

There are a few types of variables in these types of experiments. They are independent, dependent, and controlled.

The independent is the one changed by the scientist, or in this case, the temperature. The controlled is the things that remain constant through every case, and the dependent is what is being observed, seeing if it changes through the altercation of the independent variable.

In this case, what is being observed is the timing of a cricket's chirps, because it is being watched whether or not temperature affects it.

Therefore, your answer is the third choice, or the timing of the cricket's chirps.

Hope this helped!

4 0
3 years ago
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Of the following phyla, which are non-seed producing and non-vascular?
Masteriza [31]

Answer:

Anthocerophyta, Bryophyta, Hepatophyta.

Explanation:

Non vascular plants are defined as the plants which contains phloem, and xylem without the vascular system. They are containing simpler tissues which are specialized for internal transport of water.

They include bryophyta, hornworts (anthocerophyta), liverworts (hepatophyta) mosses, and some algae. Non vascular plants reproduce with the help of spores, and do not produce fruit, and flowers.

3 0
3 years ago
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