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Leno4ka [110]
4 years ago
7

"soft-shell crab is a prized dish in many ocean-side resorts". why are the crabs' shells soft?

Biology
1 answer:
d1i1m1o1n [39]4 years ago
5 0
<span>Soft-shell is a term that is used in the culinary field. Crabs shell softens when their exoskeleton and remain soft from the shedding. Crabbers with the knowledge of their field know when crabs are prime to catch with a soft-shell in order to keep the shells from hardening.</span>
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Explain why a solar eclipse occurs only during a new moon.
Dennis_Churaev [7]

An eclipse of the Sun (or solar eclipse) can only occur at New Moon when the Moon passes between Earth and Sun. If the Moon's shadow happens to fall upon Earth's surface at that time, we see some portion of the Sun's disk covered or 'eclipsed' by the Moon.

4 0
3 years ago
A snake species a grass species and a mouse species are part of a food web in an ecosystem rank these three species in their lik
pochemuha

The pyramid of the biomass depicts the depicts the bio productivity at each level of the organism. The producers are the organism, which have the highest number of the productivity and their number is comparatively higher than the consumers.

In the pyramid of biomass, the herbivore comes after the producers and then the carnivores. In this case, the grass would have highest productivity, so, it would occupy lower most position, then mouse and then snake.

So, the order in a biomass pyramid from lowest to highest is grass, mouse, snake.

7 0
3 years ago
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Researchers discover a plant that does not need sunlight for growth. They isolate a unique compound found in the plant's roots.
Oxana [17]

If the new compound breaks down into amino acids and functions to break down organic matter into food for the plant, then the researchers discovered a biological catalyst.

<h3>What is an enzyme?</h3>

An enzyme can be defined as a special type of biological catalyst that helps to speed up the rate of a given chemical reaction.

Enzymes are proteins that can be considered as the main class of biological catalysts, but there are also other biological catalysts called  ribozymes which are specifically composed of nucleic acids, i.e., RNA-based catalysts.

In conclusion, if the new compound breaks down into amino acids and functions to break down organic matter into food for the plant, then the researchers discovered a biological catalyst.

Learn more about biological catalysts here:

brainly.com/question/17698798

#SPJ1

6 0
1 year ago
What is the blind spot of the retina?
MaRussiya [10]

Answer:

The region of retina devoid of photoreceptor cells (rod cells and cone cells)

Explanation:

The retina is the layer of the eyeball and is packed with rod cells and cone cells responsible for night and day vision respectively. The blind spot is the region in the retina where no rod cells and cone cells are present.

Absence of these photoreceptor cells ensures that no vision is formed in this part of the retina. However, the blind spot serves as the site from where the optic nerve passes through the retina and serves to transmit the impulse to the brain.

4 0
3 years ago
How is the proportion of hydrogen to helium in the Sun's core changing over time?
harina [27]

Answer: The percentage of the helium will increase with the decrease in the percentage of the hydrogen.

Explanation:

The conversion of the hydrogen into helium occurs by the nuclear fusion of the hydrogen atoms. This process reduces the hydrogen density and reduces the energy production inside the core region. Typically, in the core region of the hydrogen is converted into the helium by nuclear fusion. Four hydrogen atoms are collectively fuse to form one atom of helium. This process involves the production of heat energy.

7 0
3 years ago
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