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IgorC [24]
3 years ago
14

Dolphins are members of which of the following orders?

Biology
1 answer:
lord [1]3 years ago
5 0

Answer:

Cetacea it's the correct answer!

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You want to test the effect of sucralose on the growth of a plant. Design a study using the steps of the scientific method. What
Julli [10]

Answer:

  • The independent variable is the concentration of sucralose present in the plant.
  • The dependent variable is the growth rate of the plant.

Explanation:

The study designed through the steps of the scientific method would be done as follows:

Observation: Sucrose is a very important molecule for the development and growth of plants, based on which sucralose, which is formed from sucrose, can be important for the same factors.

Question: Can sucralose influence plant growth as well as sucrose?

Hypothesis: Sucralose may establish some influence on plant growth.

Experimentation: Select a number of seeds inoculated with sucralose molecules and select the same number of seeds that were not inoculated with anything. Provide the same type of soil and environmental factors so that seeds can grow in the same way. Weekly evaluate the growth of the plants generated by each seed for a certain period of time. After this period of time, measure the weight of the plants and their roots. Place the plant and root to dry in an oven and measure the weight of the plant and root once again.

Analysis of results: compare the average weekly growth of plants generated by inoculated seeds, with plants generated from uninoculated seeds. Compare the average weight of plants generated by seed inoculated before and after kiln-dried. Compare the weight average between plant roots generated by inoculated seeds before and after kiln-dried. Assess whether there was a significant difference between the means.

Conclusion: Using the data presented in the evaluation of the experiment, state whether the hypothesis developed provides true or false information.

<u><em>Note: it is important that the seeds are from the same species of plant.</em></u>

5 0
3 years ago
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Which statement best explains the decrease in energy availability in a food chain?
Stolb23 [73]

Answer: The correct answer is D) Some energy in each trophic level is used for life processes.  

Food chain represents the flow of energy through various living organisms (which lie at different trophic levels) in an ecosystem. The energy flows from one trophic level to the next and it is decreased with subsequent trophic levels.

As per the law of 10% energy transfer, only 10 % of the energy is transferred from one level to the next as the rest of the energy at every trophic level is utilized in various metabolic processes like respiration, digestion, excretion and also liberated as heat in the surrounding.

Due to this, the energy available at any trophic level is less than the previous trophic level.

7 0
3 years ago
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The diagram shows a simple lipid.
White raven [17]

That would be a saturated lipid.

Hope this helps.

8 0
2 years ago
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Consider the following chemical reaction: Hb + O2 → HbO2 When this reaction is going from right to left, what process is occurri
cestrela7 [59]

Answer: A, Oxygen Unloading

6 0
3 years ago
Which two factors are considered in determining cell efficiency?
Solnce55 [7]
A- the ratio to surface area
5 0
3 years ago
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