Please Please Help Me In This Science Homework!!!!! Questions 1 to 4!!!!! I am saad!!! Hep Me!!!!

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Answer 1

Answer: sorry! i cant see the photo clear enough & its blurry! please take a new photo! sorry i couldnt answer ur questions!

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Give two ways a barn owl is suited to catch small animals?

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Barn owls are well adapted to catch prey with fine tuned senses. Such as their hearing and eyesight. They also fly up and down - and basically dive bomb head first onto their prey - meanwhile their flight is SILENT. Their talons make it easy to snatch up small critters.

Compare and contrast cell communication by nerve signal with cell communication by ion-linked channel receptors... please help fast

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Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites. With ion-linked channel receptors, the ligands get binded to a protein. The ion channels are then opened and the proccess gets repeated. Does that help?

Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites

Imagine an animal cell lost half of its mitochondria. Explain how the cell would be different.

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Well, the mitochondria is the powerhouse of the cell, this cell would die off because it needs a mitochondria to work.

Since the mitochondria is the power house of the cell, it would most likely die because of the energy source the mitochondria gives off

(NEED HELP ASAP) An investigation was set up to determine the effectiveness of a particular fertilizer on the growth of bean plants. In the investigation, each of the 10 bean plants in group A was watered with 50 milliliters of a solution of distilled water and fertilizer, while each of the 10 bean plants in group B was watered with 50 milliliters of distilled water only. Both groups of plants were watered every other day for 1 month and grown under identical environmental conditions. The control group for this investigation was. . .A. Group A only

B. Group B only

C. Both group A and group B

D. Neither group A nor group B

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Answer:

B. Group B only

Explanation:

Control group is a research group that does not receive the substance being tested in the experiment. In the case shown in the question above, the experiment sought to test the effectiveness of a specific fertilizer in the growth of bean plants. For that, plants received the fertilizer (which is the tested substance) while plants did not receive the fertilizer (received only water), in this case, the plants that received only water are the control group of this experiment.

Group B is the control group.

Jim’s heart rate was monitored during periods of exercise and periods of rest. The graph shows the result of one 50-minute test.Which statement is an inference that can be made by using the graph?

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Answer:

Jim's heart rate decreased quickly after 30 minutes since he is in good shape.

I choose this one and got a 100%

Explanation:

What is difference between Respiration and Breathing??...Give 2 points each.

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Breathing is simply taking in of oxygen and expelling out carbon dioxide. It involves nose, larynx, bronchi, broncioles, lungs and alveoli.

Respiration is a deeper process. It involves oxidation of food in the mitochondria and releasing ATP for energy requirements. It involves many organs or perhaps the whole body

The difference between breathing and respiration is that when you breathe you take in oxygen and expel carbon dioxide while during respiration the body breaks down the oxygen so that your cells can use it for energy.

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HELP!!! MUCH CONFUSION LINGERING THIS QUESTION!A scientist observing a group of spider monkeys noticed that the adult females often spend time picking leaves off of tree branches. The scientist hypothesizes that this behavior is caused by boredom. Is the scientist’s hypothesis valid?No, humans are the only organisms that experience boredom.Yes, boredom is a likely explanation for the spider monkeys’ behavior.No, emotions of non-human organisms cannot be tested.Yes, the hypothesis could be tested through a controlled experiment.

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