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slamgirl [31]
4 years ago
15

Koala are a specialist species because they?

Biology
1 answer:
jasenka [17]4 years ago
3 0

Answer:

Because they only eat eucalyptus leaves. Specialist species are species that can survive in a limited range of conditions, such as diet, camouflage, climate etc. Koala bears are marsupial mammals that feed selectively on the leaves of eucalyptus trees.

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Finfish, ocean catches, and fish-farming provide approximately what percentage of
Lynna [10]

Answer:

30 percent

Explanation:

Protein is essential in living organisms. They are the building blocks of life and help in the replacement and repair of work out tissues of the body. There are various sources of protein which are plant sources and animal sources.

Animal sources include land and aquatic animals.Sea Finfish, ocean catches, and fish-farming provide approximately 30

percent of animal protein sources consumed by humans in the world.

5 0
3 years ago
A sand storage tank used by the highway department for winter storms is leaking. As the sand leaks out, it forms a conical pile.
harina [27]

Answer:

Rate of change of volume of the pile  = 54\pi

Explanation:

Given -

Rate of increase of the base of the pile = 0.75 inches per minute

Height of the pile = 2 * the radius of the base

Let "h"  be the height of the pile and "r" be the radius of the base.

Then h = 2* r

Radius "r" = 6 inches

Rate of change of radius i.e

\frac{dr}{dt} = 0.75

Volume of conical pile

\frac{\pi }{3} * r^2 * h\\= \frac{\pi }{3} * r^2 * 2 * r\\= \frac{\pi }{3} *2* r^3

Change in volume of conical pile

\frac{dV}{dt} =  \frac{dr}{dt}  * \frac{6* \pi * r^2 }{3}

Substituting the value of rate of change of radius, we get -

\frac{dV}{dt}  = 2 * \pi * (6^2) * (0.75)\\\frac{dV}{dt}  = 54 \pi

Rate of change of volume of the pile  = 54\pi

8 0
3 years ago
Explain how the discoveries by Rosalind Franklin helped Watson and Crick build an accurate model of DNA.
Andru [333]

Answer:

Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.

Watson and Crick built models with the ladders on the outside.

4 0
3 years ago
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Is the following sentence true or false? When the pores
ira [324]

Answer:

False

Explanation:

7 0
3 years ago
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The DV is measured for results
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