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Alex73 [517]
2 years ago
8

Characteristics tahat are always present in living organisms are​

Biology
1 answer:
Karo-lina-s [1.5K]2 years ago
4 0

Cells, metabolism, reproduction, homeostasis, heredity, etc.

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The wastes of excretion are in the form of ________ and ________​
nlexa [21]

Answer:

Solid e.g faeces

Liquid e.g Urine

3 0
3 years ago
How might environmental manipulation of a crop have unexpected consequences?
Elden [556K]
All of the above options are correct because all the given three options are possible
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Michelle drew a simple diagram to show how a hurricane forms. Which location on the diagram indicates a low-pressure area?
inysia [295]

Answer:

"Location 4" indicates a low-pressure area

Explanation:

A low-pressure area is defined as the region in which the pressure in the atmosphere is comparatively lesser than nearby surrounding areas. This region is a depression that is comprised of more winds, warmer air, and lifting of air mass takes place.

In a low-pressure zone, the warm air becomes less dense, due to higher temperature, as a result of which it rises up into the atmosphere. As it rises up into the atmosphere, it eventually cools and condensation starts taking place. After a definite period of time, rainfall occurs.

Thus, in the given image, location 4 shows the low pressure area.

3 0
3 years ago
Desacribe an experiment to prove that carbon dioxide is essential for photosynthesis ?
disa [49]
Take two healthy potted plants. Keep them in a dark room for 2-3 days. Now place each plant in a separate glass. Get a cup containing potassium hydroxide by the side of the plants (the potassium hydroxide is used to absorb carbon dioxide). COver both plants with separate jars. Seal the jars so that the set-up-is-air-tight. Keep the plants in sunlight for two hours. Gently pluck a leaf from each plant. remove the chlorophyll from the leaves by boiling them in alcohol. Wash the leaves with water and then pour iodine solution over them.

We can conclude that the photosynthesis cannot be carried out without carbon dioxide. the leaf from the plant (which was the jar containing potassium hydroxide, which absorbed the carbon dioxide) turns blue black on iodine solution showing that starch is presented in this lead.

so this shows that carbon dioxide is necessary for the processs of photosynthesis to take place
4 0
2 years ago
Scientist determine that abundance of apple aphids on leaves of 120 apple trees. the autumn leaf color of the apple tree varied.
Kobotan [32]
The answer is bold dependent and underline independent. In addition to biology laboratory examination, independent variable is the most important variable in which this variable is manipulated in what the investigator differs in the experiment. Dependent variable in the experiment, one variable will be stately or calculated or experimental in reaction to experimental situations. 
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3 years ago
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