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adoni [48]
3 years ago
11

It's considered to be an advantage to have lungs with increased capacity, because with increased capacity

Biology
1 answer:
rosijanka [135]3 years ago
6 0
C. The lungs can better exchange oxygen
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Describe an experiment you would perform to prove that an orange contains vitamin C
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To prove that a certain fruit (in this case, an orange) indeed contains a certain compound (in this case, vitamin C); then the vitamin C should be extracted and isolated from the orange and must be confirmed by molecular analysis. The extraction process involves using chemicals (i.e. 6% MPA), and procedures such as centrifugation and filtration. Then the extract is stored and subjected to high-performance liquid analysis (HPLC) to measure the vitamin C content.
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As a child, Alex was short for his age. But during his teenage years, his height increased and he surpassed most of his friends.
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puberty

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A farmer wants to know if adding antibiotics to cow feed will fatten them up. He takes two groups of 25 cows each. One group is
galina1969 [7]

Answer:

The correct answer is-

Hypothesis: Antibiotics cause weight gain in cows.

Independent Variable: Antibiotic pill

Dependent Variable: Weight of cow

Control Group: a group of cows gets a placebo pill

Experimental Group: a group of cows gets an antibiotic pill

Explanation:

The Independent variable is the variable that causes the response from the dependent variable or affects the dependent variable in this study the antibiotic pill affects the weight of cows so The independent variable is an antibiotic pill and the dependent variable is the weight of cows.

The control group is the group of subjects that did not get the treatment in a scientific study in the case of this study group of cows that receives the placebo pill is the control group and the experiment group is subjects that receive the treatment which is a group with the antibiotic pill.

4 0
3 years ago
Consider the two male oryx that are shown below.
Tema [17]

Answer:

(A) Organisms within a population compete with each other to survive.

Explanation:

The male oryx are fighting with their horns to probably compete with each other for maybe who gets to graze in a certain part of the forest or gets to mate with a female.

6 0
2 years ago
Why is left lobe of liver smaller than right lobe?
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Embryologically, the space for the development of right lobe is made earlier by the closure of <span>pleuroperitoneal and pleuropericardial membranes, thereby creating more space for the development of right lobe. Molecular stimulation factors are also involved in the process. </span>
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