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IceJOKER [234]
2 years ago
11

Differentiate the terms: i) Hibernation and aestivation.

Biology
1 answer:
seraphim [82]2 years ago
8 0

Answer:

hope this helps

Explanation:

Hibernation is the state of inactivity or low metabolic process performed by the animals during winters but aestivation is the low metabolic process by the animals during summers

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What cellular structures can be observed with the aid of light microscopy and electron microscopy?​
Serjik [45]

With a light microscope one can view the nucleus and endoplasmic reticulum, large vacuoles etc

The resolution of a light microscope is dependent on the wavelength of light that is the main beam of illumination. Light has approximately 0.4 um (UV)- 0.7um (Infrared) wavelength. Organelles smaller than about 0.5 um will be difficult to discern with a light microscope.

With an electron microscope one can view, in addition, even the ribosomes and mitochondria, chromosomes, tubules etc.

An electron microscope can discern very minute details of a cell. This is because its resolution is dependent on the very small wavelength of a beam of electrons which is approximately 0.002 um (about 10,000 times powerful than a light microscope)

8 0
3 years ago
When did Homo sapiens first evolve
vlabodo [156]

Answer:

300,000 years ago

Explanation:

Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.

5 0
3 years ago
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Amy was observing the growth of five kinds of flowering plants on a windowsill. She noticed that some of the flowers
8090 [49]

Answer: Flowers need sunlight

Explanation:

Flowers are attracted to the light because its wants makes them grow its kinda like humans  eating food well as a flower they need water air and sunlight as there food.

5 0
3 years ago
Help me do this
Aneli [31]

thats a whole L:)

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4 0
3 years ago
How does elevation affect climate?
Kisachek [45]

As elevation increases, air density decreases resulting in a decreased ability to hold heat.

<h3>Effect of elevation on climate</h3>

As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further and the temperature decreases.

P = ρgh

where;

  • P is the air pressure
  • ρ is air density
  • h is elevation
  • g is acceleration due to gravity

As the pressure decreases, air molecules spread out further and the temperature decreases. The decrease in temperature affects the amount of heat that air can hold.

Thus, as elevation increases, air density decreases resulting in a decreased ability to hold heat.

Learn more about effect of elevation on climate here: brainly.com/question/463893

#SPJ1

4 0
1 year ago
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