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avanturin [10]
3 years ago
8

The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many

scientists but is not yet considered a law. Evolution by way of natural selection is most likely which type of concept?
Biology
2 answers:
ANTONII [103]3 years ago
8 0
A hypothesis that can be accepted as true based on repeated experimentation with similar results

A hypothesis is a supposition made by the scientist. In order for a hypothesis to be a scientific hypothesis, the scientific method requires for it to be tested. If a hypothesis cannot be tested, it cannot be scientific hypothesis. It is important to state the hypothesis clearly at the beginning of a scientific paper. This enables the reader to understand the problem. 
zloy xaker [14]3 years ago
8 0
The answer is a i took the test 
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How does natural selection “drive” evolution?
yanalaym [24]

Because predators and prey must learn (or adapt) new ways of survival. Deer over time have learned to be much more sensitive to the surrounding environment, therefore, a deer's predator must also adapt/evolve and learn how to beat the deer at it's own game and catch it for food. Animals must evolve/adapt to any given environment. If humans lived in Antarctica for thousands of years, we would eventually be able to withstand the cold due to evolution. People who live in the Himalayas today actually breath normally at such high altitudes whereas if someone who lives at sea level went to where the Himalayan people lived, the result could potentiality be fatal because the body has not adapted/evolved at that point to withstand minimal oxygen.

8 0
3 years ago
Hershey and Chase used the 35S isotope to label proteins. How does this isotope differ from the 32S isotope found in greatest na
dolphi86 [110]

Answer:

The correct answer would be C. ³⁵S has more neutrons than ³²S; Hershey and Chase used it because it is radioactive and can be easily traced.

Sulfur-35 (³⁵S) is one of the isotopes of the sulfur which has 16 protons (same as sulfur-32) but 19 neutrons as compared to the 16 neutrons of sulfur-32.

It is a radioactive isotope which breaks down by beta-decay and gets converted into ³⁵Cl.

They used ³⁵S for radioactive labeling of the protein coat of the bacteriophage. It helped them to trace the movement or transfer of protein efficiently.

8 0
3 years ago
Read 2 more answers
Seasons of Change Activity Worksheet—Disappearing Marine Iguanas Case Study
baherus [9]

Answer:

1. Using the map and the minimal knowledge that Liz has at this point, propose three different hypotheses regarding the sudden high mortality of marine iguanas. Record your answers in the worksheet and post your hypotheses to the 03.01 class discussion board before proceeding to the next question.  (3 points possible)

Hypotheses One:  Iguanas are adapted to hot/warm weather, so the weather changed could have affected them.

Hypotheses Two: There was not enough shelter for the iguanas so they started disappearing.

Hypotheses Three: A new species has come close to where the iguanas live and taken them out.

2. Look at your classmates’ hypotheses on the discussion board. Choose one hypothesis that seems most likely to you. Provide the student name and hypothesis and tell what evidence you would need to support (or refute) it. (3 points possible)   Carter Spiers, Hypothesis 1. there was a lot of rain and it washed at the iguanas away. We would have to dive into the water/ ocean and find iguana bodies to be able to prove that this is true.

3. Given what you know at this point about marine iguanas and the abiotic effects of ENSO, develop two possible directions of research that Liz should pursue to understand exactly why the iguanas suffered such a high mortality. Keep in mind that you need to consider indirect effects. While environmental temperature does change metabolic rates of ectotherms, the iguanas are exposed to a wide range of temperatures as they feed and bask on the lava. Direct mortality in response to a temperature change of a couple of degrees is unlikely.  (3 points possible)

Possible Research Direction One: The climate event caused a lot more rainfall which then made it very hard for the iguanas to reach their food source.

Possible Research Direction Two: The temperatures raised very high causing the iguanas to absorb a extreme about of extra heat, which eventually made them very lazy and stopped defending their self from predators.  

4. Choose one of those directions of research and determine what data you would need to find to support your ideas.  (2 points possible)          Specific data of the extreme amounts of rainfall.

Explanation:

8 0
3 years ago
Which of the following statements is false?
mezya [45]

Communities exist within populations which exist within ecosystems is the false statement and is denoted as option B.

<h3>What is a Population?</h3>

This refers to the number of people who are present in an area within a given period of time.

Populations are within a community and communities are found within ecosystems which is why option B was chosen.

Read more about Population here brainly.com/question/25630111

#SPJ1

5 0
2 years ago
How are enzymes and substrates related?
vesna_86 [32]

The correct choice is B. The enzyme binds to the substrate. The other choices are incorrect.

6 0
3 years ago
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