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Andreas93 [3]
3 years ago
14

Give a basic definition of evolution as taught in this Unit 2. Answer should be at least 3 sentences long and include at least 4

key terms learned throughout the lesson.
Biology
2 answers:
RideAnS [48]3 years ago
6 0

All things must be different and the same. the reason I think this is because no certain evolution change has made the subject stay the same or make it completely different.

the alleles has made changes in the DNA structure therefore causing some sort of "evolution". to make a more specific example is in the ancient crocodiles, when they lived they had different environmental changes and how that effected them. somewhere the DNA structure was changed and made them what they are today.

all in all the evolution in this unit has shown what happens during the process and how it starts.

now this hasnt been graded but this should get you a decent start.

Vladimir [108]3 years ago
3 0

My exact answer.  The simple definition of evolution is "change in a species over time."  However, if we go more in-depth now we have this definition; "change to the genetic traits in a population over generations." You see, all species have one thing in common.  Three things which have and will always be elementary to observe.  Firstly, variation: Individuals of a species are NOT identical.  Secondly, inheritance: Individuals pass on traits to offspring. Moreover, thirdly, competition: More individuals are born than can survive...they compete for resources and mates. Now, the three things that I've listed above are all facts, basic observations made by biologists and scientists.  Non-disputable.  However, we seem to be missing a step, a conclusion.  So, from those three steps Darwin, a famous biologist, drew a logical conclusion. Natural selection: "The process whereby organisms better adapted to their environment tend to survive and produce more offspring." So those good traits will increase in the population as natural selection thins out the bad genes until they are gone.

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_________ occurs during meiosis but not during mitosis?
Dafna11 [192]

Answer: Crossing over

Explanation:

In meiosis, chromatids are made to exchange their genetic material during Prophase to allow the formation of offspring that are genetically different from their parents.

The process of exchange is called CROSSING OVER. And it occurs through a contact point known as Chiasma.

6 0
3 years ago
When a person rids themself of the food consumed during a binge it is known asa.starvation.b.constipation.c.purging.d.vomiting?
Nuetrik [128]
This is called purging. Purging is a situation when a person gets rid of ingested food <em>voluntarily</em>. This is in contrast to vomiting which is often involuntary. Purging is usually manifested by people with eating disorders such as <em>buliumia nervosa</em> and body dysmorphic syndromes. 

<em>Starvation is the lack of nutrients due to reduced intake of food and constipation is reduced frequency of defecation associated with difficulty in defecation.</em>
3 0
3 years ago
- When will an absorption line will appear in a spectrum?
Tatiana [17]
An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
5 0
3 years ago
Differentiate between endangered species and extinct species (1 point 2 examples)
USPshnik [31]

Answer:

<h2>Endangered: Still around but at risk of going extinct (example: tiger)</h2><h2>Extinct: Gone forever (example: wooly mammoth)</h2>

Explanation:

An endangered species is one with a reduced population. These species can easily become extinct if all the remaining members die.

<h2>I'm always happy to help :)</h2>
4 0
3 years ago
Do you think the discoveries your class made would help predict and explain patterns of change in the size of populations for ot
beks73 [17]

Yes they would help predict and explain patterns of change in the size of populations for other large consumers.

<h3>What is Population?</h3>

This is defined as the total number of organisms in an area over a given period of time.

The population of producers and primary consumers help predict that of larger consumers. The higher their population, the lesser the population of large consumers that live in the Serengeti ecosystem.

Read more about Population here brainly.com/question/13403673

#SPJ1

4 0
2 years ago
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