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Harman [31]
3 years ago
13

True or false sunlight, water, rocks are all biotic factors of an ecosystem?

Biology
1 answer:
Elena-2011 [213]3 years ago
7 0

Answer:

false

Explanation:

sunlight, water, and rocks aren't alive. biotic factors are things that are alive

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Distinguish between first-generation pesticides and second-generation pesticides used by people to combat pests, and give an exa
Lady bird [3.3K]

Answer:

No short answer.

Explanation:

First and second generation pesticides differ vastly in terms of their contents and effects.

First generation pesticides were used in early 20th century up until the 1940's and they consisted chemicals such as mercury and lead which were not biodegradable and they started adding up in the soil until it was not fertile anymore. Second generation pesticides were divided into three groups as chlorinated hydrocarbon, organophosphates or carbamates and consisted of chemicals that were less harmful for the soil and did not accumulate over time. Some examples to second generation pesticides can be DDT or dimethoate.

Broad spectrum and narrow spectrum pesticides have the difference of effective range between them. Narrow spectrum pesticides are designed to target a specific organism such as a specific plant or an insect whereas broad spectrum pesticides are applicable to a wider range of organisms and still have the same effect for each.

Chitin Inhibitors can be given as an example of narrow-spectrum pesticides and the second generation pesticides in the answer can be given as an example of broad-spectrum pesticides.

I hope this answer helps.

6 0
4 years ago
What type of cell has abundant mitochondria?
GuDViN [60]

In general cells that need more energy, since mithocondria are responsible for making and processing ATP.

Common examples of cells with many mithocondria are muscle cells that are in current activity all the time, specially heart muscles and muslces in the respiratory system such as the diafragma since the heart beats all the time, non-stop, that is, unless you die of course and so do the muslces needed to breath.


Hope it helped,


BioTeacher101

4 0
4 years ago
When a single species, such as ancestor of the Galapagos finches, has evolved into several different forms that live in differen
natima [27]

Answer:

A

Explanation:

In evolutionary biology, adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, alters biotic interactions or opens new environmental niches.

4 0
3 years ago
Briefly explain why experiments having faulty design or inconsistent data are problems for scientists. List several reasons.
son4ous [18]
Experiments with faulty design or inconsistent data:
-decreases the experiment's reliability and validity
- wastes time and resources
- destroys the scientist's credibility in their field
-  may lead to issues of safety to the experimenter/s due to faulty design
- is discouraged especially in hard sciences where data obtained should be accurate and precise
Explanation:
There are many<span> reasons that experiments with faulty </span>styles<span> or with incorrect </span>knowledge are<span> problematic for scientists. One reason for them to be problematic </span>is that if<span> he or she were to poorly </span>live<span> what </span>they're learning<span>. </span>as an example<span>, </span>somebody<span> measured the mass of a book </span>properly<span> to be </span>two<span> pounds, and </span>somebody else<span> measured it </span>erroneously<span> to be </span>one<span> pound. </span>differently<span>, that faulty designed experiments and inconsistent </span>knowledge will be<span> problematic is lack of accuracy and </span><span>exactness.</span>
4 0
3 years ago
Read 2 more answers
Cardiac muscle is the only muscle composed of ________ fibers.
Blizzard [7]

Answer:

E. striated

Explanation:

5 0
3 years ago
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