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crimeas [40]
3 years ago
6

Does oxygen pass through a cell by active transport or diffusion?

Biology
1 answer:
stepan [7]3 years ago
5 0
The answer is diffusion
The process of diffusion requires a membrane that has pores to allow for gas and liquids to pass through.
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How dose science influence the decisions made about social, economic, and political issues?
inysia [295]
This is a rather subjective question and has a lot to do with the type of society in which one lives. the more secular the world is becoming... gives science a huge spotlight on the stage. because science provides an answer with tons of evidence to back it up, it is seen as a reliable method to follow. So, socially speaking you may have experienced in a normal conversation where someone turns around and tells you that your opinions are just opinions and have nothing factual to back them up. This is where science comes in. Economically and politically speaking, science is used to justify different political aims of governments. However, this is done mostly through the misrepresentation of science by people who are trying to pursue their own agenda. So really this question can be answered in many ways and from many different perspectives but do not forget that science influences all streams for the better but also for the worse in the way in which it is represented.

Hope that helped
7 0
3 years ago
What do crops of the green revolution need in order to produce higher yields?
Airida [17]

Answer:

These crops where improved  with technology, production of high-yielding variety, and improve farm practices. All these ensured  the crops of green revolution had increase yield.

Explanation:

Through  genetic engineering, high-yielding variety of cereals e.g wheat, maize, rice, were genetically engineered so that certain features which enhanced increased productivity were selected for.

Use of fertilization, the adoption of mechanization,good cropping and farming system are other factors which enhanced yield of these crops. Specifically, these crops were modified to enhance their Nitrogen uptake, which promotes rapid growths.

4 0
3 years ago
What do hypotheses theories and laws have in common
Umnica [9.8K]

Answer:

A theory is a group of hypotheses that prove a law is true.

Explanation:

A theory is an idea based on principles. A hypothesis is an explanation with limited evidence.  Laws are the system of rules indicated for each country.

4 0
2 years ago
A leaf-eating caterpillar turns into a nectar-eating butterfly. How is this behavior an advantage for this species?
coldgirl [10]
Because it is the evolution ary process that the caterpillars is designed to go through according to this species.
5 0
3 years ago
Would you expect a shrub or dandelion (dispersed by wind-blown seed) to be a more likely pioneer plant species? why? Thank you s
S_A_V [24]

Answer:

Dandelions may appear <u>quicker after harsh conditions and reproduce at a faster rate.</u> However, both dandelions and shrubs are considered <u>fast-growing plant species</u> that can be categorized as <u>pioneer species.</u>

Explanation:

Secondary succession refers to the changes that take place in a disturbed habitat. Pioneer plant species are those that <u>colonize new habitats after harsh climate conditions and that tend to reproduce at a fast rate.</u>

According to researcher J.W. Darlling (2008), pioneer herbs and shrubs are species that tend to grow faster in comparison to other species, making them excellent pioneer species.

This occurs thanks to plants that are <u>wind-pollinated</u>, such as dandelions, have a higher chance to appear because, as it is a disturbed environment, there are no insects or other fauna present. In addition, shrubs are <u>persistent species that are able to reproduce fast with limited soil availability</u> but a bit <em>slower</em> in comparison to dandelions.

3 0
3 years ago
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