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kiruha [24]
3 years ago
13

What does the arrow of the food chain mean

Biology
2 answers:
irakobra [83]3 years ago
4 0
The arrows mean that one eats the other.

Ex. Greenfly eats the lettuce .
Alenkasestr [34]3 years ago
3 0
The greenfly eats the lettece then the eats the greenfly and yhe thrush eats the ladybug and then the cat eats the thrush

Hope this helps!
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The tendency for a solution of water and solutes to take up water across a selectively permeable membrane is called
olasank [31]

Answer:

Osmosis.

Explanation:

Osmosis is defined as the passive transport in which net movement of water across the membrane from high water area potential to low water area potential. The membrane is known as selectively permeable membrane moved by a concentration of solute both sides of the membrane.

Selectively permeable membrane is a membrane which is selective in nature that allows unrestricted passage of water molecules, but not solute molecules.

5 0
3 years ago
What happens to a potassium atoms electrons when it becomes an ion?
Scrat [10]
The alkali metals in group l of the periodic table all have a single electron in the outermost shell. These metals form covalent bonds with for example the halogens, which have 7 electrons in their outer shell.
When the alkali metal halide, such as KCl is dissolved in water, it dissociates into ions. The K atom loses the single electron, and therefore has a positive charge. In turn, the chloride atom gains the electron and becomes the negatively charged chloride ion.
6 0
3 years ago
Please help me fill in all blanks starting from the box that said about the world around them
Tema [17]

Answer:

In this order:

observations

ask questions

hypotheses

controlled experiments

control group

an independent variable

a dependent variable

data

5 0
3 years ago
A magazine published an article stating that drinking water obtained from waste water is harmful for health. Why is this informa
Aleks [24]

Answer:

The correct answer is - the article does not provide a scientific basis for the information

Explanation:

Generally, Magazines publish articles with reliable information and sources that are universally accepted or have a scientific basis behind the information. It is already known that wastewater is recycled and purified before making it available for drinking.

In this article, there is no scientific basis behind the information as no scientific data mentioned or ignore test and practice in use from the years which is scientifically tested.

4 0
3 years ago
Look at the food web below.
enot [183]

Answer:

below

Explanation:

C. Mice would have more food but the rest of the animals would starve. This is an example of FAIR biodiversity. Sorry if this is wrong

6 0
2 years ago
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