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lara31 [8.8K]
4 years ago
7

Evelution exam

Biology
1 answer:
choli [55]4 years ago
3 0

Answer:

Answer No 1:

The three ways evolution is determined to have occurred are:

A. Molecular similarities

C. Homologous structures

E. Fossil evidence

Explanation:

Since the theory of evolution became popular, scientists have been looking for similarities and differences among organisms so that they can compare which organisms have a more closer ancestor together as compared to other organisms. Scientists look for molecular similarities, such as the similarities in the proteins and other molecules to depict relations among organisms. Homologous structures is a common term in evolutionary studies in which organisms which are more closely related are known to be more similar. Fossil evidences also help a lot in evolutionary studies.'

Answer No 2:

The correct option is C. the most reproductively successful

Explanation:

Natural selection tends to favour the fittest organism.  In evolution, 'the fittest; means the organism which have the ability to survive in an environment and to pass on its characteristics to its offspring. The organism which is more reproductively successful is considered to be more successful.

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Why is a compass important to marine science?
grigory [225]

Answer:

( in the explanation )

Explanation:

The magnetic compass was an important advance in navigation because it allowed mariners to determine their direction even if clouds obscured their usual astronomical cues such as the North Star. It uses a magnetic needle that can turn freely so that it always points to the north pole of the Earth's magnetic field.

7 0
3 years ago
Which of the following occurred because of Flint's water crisis? Select the three correct answers.
STatiana [176]

1, 2, 3

Because of Flint's water crisis;

  1. The number of children with lead poisoning doubled.
  2. General Motors stopped using Flint's water due to corrosion of their machinery.
  3. Dozens of people contracted a form of pneumonia known as Legionnaires' disease.

Explanation:

In a bid to save money, Flint City Council resolved to switch its water supply to the city in 2014 and also switching from the Detroit Water and Sewerage Department (DWSD) as a provider to Karegnondi Water Authority (KWA). During the process of switching, water from Flint River was used as a temporary source of water for the residents. This water was however not treated and caused corrosion of supply pipes which led to the leakage of lead into the water supply. The water was also filled with other mineral contaminants that made the water hard and later high levels of chlorine were detected. This also caused General Motors to stop using the water because it corroded its machines.

The levels of lead caused lead poisoning especially to children while dozens of adults suffered Legionnaires' disease a form of atypical pneumonia caused by<em>  Legionella </em>bacteria in the water. The city officials did not warn residents in time even after com0lanit of foul smell and redness of the water supply.

Learn More:

For more on FLint Water Crisis check out;

brainly.com/question/10320000

#LearnWithBrainly

6 0
3 years ago
Organisms can be classified in the same species by morphology and _____.
Lady_Fox [76]
Reproductive isolation. Species refer to the group of organisms which share common morphological features and can interbreed and produce a viable offspring. Thus, the organisms of one species are reproductively isolated from the organisms of other species
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3 years ago
How should a microscope be carried
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You put one hand on the bottom of the microscope then, you put the other hand on the backside of it (just underneath the slide part).
5 0
4 years ago
A key difference between green algae and land-based plants is that
Kipish [7]
C is correct. Green algae is a non-vascular plant, meaning it doesn’t posses any water conducting tissues or much structural complexity
6 0
3 years ago
Read 2 more answers
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