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a_sh-v [17]
3 years ago
6

An important challenge to traditional (pre-1860) ideas about species was the observation that seemingly dissimilar organisms suc

h as hummingbirds, humans, and whales have similar skeletal structures. This most directly suggested to biologists that _____.
Biology
1 answer:
katen-ka-za [31]3 years ago
6 0

Answer:

Dissimilar organisms might have evolved from a distant, common ancestor.

Explanation:

First of all we should know species. Species is considered as a basic unit of taxonomic classification of an organism.

Initially, the scientists are agreed on this phenomenon that all distinct species are evolved gradually from common ancestor. Today, the species which are different from each other just like hummingbirds, humans and whales are from the same ancestor but with the time passage genetic mutation occurs and at the end dissimilar organisms we can see in our environment/surroundings.

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During dna replication two extra guanine bases are added to the dna. what type of mutation is this
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Based on the above information, the mutation type is frameshift mutation. 


It is a genetic mutation caused by indels of various nucleotides in a DNA succession that is not detachable by three. The additions and erasures cause an adjustment in the length of a quality, which causes a movement in the codon perusing outline. A frameshift mutation happens when a protein is radically modified as a result of an addition or an erasure. Tay-Sachs illness is a human issue caused by a frameshift change.
8 0
3 years ago
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In scientific investigations, how does empirical evidence help scientists devise hypotheses?
nika2105 [10]

Answer:

Explanation:

An empirical evidence illustrates facts that are drawn from experimentation and observations. These are usually drawn from the way we see and percieve our environment using our senses.

A hypothesis is best and simply defined as a scientific guess. It is often a direct product of empirical studies of a particular problem. Most times when scientists gather facts and principles have been formulated, they try to explain their observation. This explanation is the hypothesis. The satement of the hypothesis is usually tentantive. Sometimes, we can have several hypothesis for a common source of empirical evidence.

4 0
2 years ago
Explain why a city that receives 10 hours more light each day has colder average temperatures.
goldenfox [79]

Answer:

Despite the hours of sunlight a city receives, the latitude of the city plays a larger role due to the fact that with a higher latitude, the higher the solar angle allowing a city to be much warmer.

Explanation:

8 0
2 years ago
What is the correct order of organization in animals?
Goryan [66]

Answer:

D is rhe answer of rhis question.

Explanation:

collection of cells make tissue, collection of tissues form organ, similarly group of organs combine to form a system and when these systems combine it forms a whole body of organism.

4 0
3 years ago
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Most of the compounds that make up life contain the element:
schepotkina [342]

Answer:

Carbon.

Explanation:

Carbon forms the basis for all life on Earth; indeed, life forms on Earth are referred to as carbon-based life forms, emphasizing the importance of this element for life. Carbon atoms readily bond to other atomic elements, such as oxygen and nitrogen.

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