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alekssr [168]
3 years ago
5

True or false electron microscopes have much higher magnification than compound light microscopes ​

Biology
1 answer:
ch4aika [34]3 years ago
3 0
True. Since electron microscopes use electrons instead of light, it can magnify up to 500,000 times of it’s actual size.
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1. What is the limiting factor for most animal life in the open ocean?
Minchanka [31]

Answer:

Biotic: <em>Food availability</em>

Abiotic: <em>Temperature</em>

Explanation:

There are two types of limiting factors for biodiversity: biotic and abiotic. Biotic refers to living things, for example, organisms that are an important food source. <u>Most animal life forms in the ocean highly depend on the availability of a food source</u>. If food is limited or scarce, the populations of a given species could face significant declines.

On the other hand, there are abiotic factors, which refer to factors that are not alive, such as physical factors. For instance, temperature and light. <u>For marine organisms, temperature is a critical factor.</u> Even an increase of 'only' 1 ºC could make a huge difference in the survival of a species as it could disrupt their ability to forage, hunt, or perform physiological processes, <em>e.g.</em> metabolism.

Therefore, <u>if we refer to a biotic factor, food availability is a limiting factor for most animal life in the open ocean, whereas, if the refer to an abiotic factor, temperature (and light) are limiting factors for pelagic life.</u>

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3 years ago
What is the process by which a cell divides to form two daughter cells?
ZanzabumX [31]
<span>Meiosis is the prosess in which cells split</span><span />
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Which statement best expresses the central idea of the first paragraph?
Gemiola [76]

Answer:

B

Explanation:

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3. Sketch a before and an after diagram of an animal cell placed in a hypotonic<br> solution
BabaBlast [244]
The animal cell will swell and then eventually burst when placed in a Hypotonic Solution.

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Explain how the basic structure of an atom has led to the diversity of compounds making up living and nonliving things
kobusy [5.1K]

Atom refers to a tiny particle, which is the basic building block of all the substances and whose properties determine the characteristics of an element made up of only of those atoms.  

All the living and nonliving matter in this world are made up of atoms and elements. Everything in the universe is matter, and matter comprises elements. Some of the elements are important to living things.  

Elements are formed by atoms, and atoms comprise protons, electrons, and neutrons. The number of protons in an element's atom signifies the identity of the element.  


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3 years ago
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