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Luba_88 [7]
3 years ago
6

Base your answer to the question on the information below and on your knowledge of biology.

Biology
1 answer:
vodomira [7]3 years ago
3 0

Answer:

They can perform photosynthesis.

Explanation:

Autotrophs are organisms that can produce their own food, and heterotrophs are organisms that feed on other organisms. This means that the ameba and paramecium can eat only other microorganisms.

The euglena is not limited to this. Hypothetically speaking, if there were no other microorganisms around it (which is unlikely), the euglena would not die as long as it is exposed to sunlight. Thanks to chloroplasts, organelles that contain chlorophyll, it can perform photosynthesis - a process in which, with the help of sunlight, carbon dioxide, minerals, and water are used to synthesize food.

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A student will measure and record the growth (in height) of two flowering plants every other day for 20 days. Each plant will re
zepelin [54]

Answer:

The correct answer is -

the independent variable - if fertilizer added or not,

the dependant variable - the height of the plant and

the standardized variable - 200ml water

Explanation:

In this study, the student wanted to see the effect of the fertilizer on the growth of the plant so the independent variable is the treatment of the fertilizer as manipulated or the independent variable is the factor which is affected or changed purposely during an experiment while other variables remain constant.

The dependent variable is the factor that is based or depends on the independent variable and measured to see the effect which is the height of the plants in this case.

The standardized or the control variable is the variable that remains constant throughout the experiment, 200 ml water treatment is the control variable in this experiment.

4 0
2 years ago
Explain how xylem cells are adapted for their function.<br>​
s2008m [1.1K]

Answer:

Xylem cells have no cytoplasm or end walls, meaning they form a tube through which water can pass freely to allow water transport. Lignin strengthens the cell walls, helping to support the plant.

8 0
3 years ago
Read 2 more answers
These are true and false questions and I want to be sure of my answers. Please someone check. Thanks:
Gnom [1K]
They're all right 
Good Job !
4 0
3 years ago
A mugger steals your wallet causing all of the following to happen EXCEPT ________.a.) increased metabolic rateb.) increased rat
Lapatulllka [165]

Answer:

c.) increased glucose uptake to the liver from blood

Explanation:

During stressful conditions such as facing a mugger, the sympathetic system of the autonomic nervous system is activated. There is a release of stress hormones from the adrenal glands to produce the flight or fight response. One of the physiological events occurring during these conditions is the breakdown of glycogen into glucose in liver cells and the release of glucose into the blood. The release of glucose by the liver increases blood glucose levels. This is done to ensure glucose availability as fuel. There is no uptake of glucose from the liver cells under such emergency conditions.

8 0
3 years ago
What is the order of steps of protein synthesis
Paha777 [63]

Answer:

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes the steps of initiation, elongation, and termination.

Explanation:

hope this helps

7 0
3 years ago
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