Answer:This is an example of a theory changing because a new scientific method was developed.
Explanation:
DNA technology in agriculture has been used to create Genetically Modified Organism. The plants can be modified to be resistant to drought and diseases/pests and have increased yield
Bees have been genetically modified not to sting while producing more honey.
Explanation:
DNA technology mainly involves the manipulation of the genome of an organism. Usually a foreign DNA is inserted in the genome of another organism to impart it with desired characteristics or remove undesired ones.
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similarities:
1. They both show bilateral symmetry.
2. Both vertebrates and invertebrates have a functional nervous system.
3. Both vertebrates and invertebrates have a heart and a circulatory system.
4. Vertebrates and invertebrates belong to kingdom Animal.
Difference:
Invertebrates are those that do not possess a vertebral column or backbone while Vertebrates are those where vertebral column or backbone is present.
An evolutionary reason why individual ferns may produce millions of spores is that Spores can germinate only in the right situation conditions, so producing many spores increases the chances that at least one will end up in a field of those conditions.
The right statement to describe the mass extinction created by humans is "It results from the disappearance of the entire species in a short time".
<h2>Further Explanation </h2>
The explanation of mass extinctions is an event of a rapid decline in diversity and rapid macroscopic life. This happens because when the rate of extinction increases with the rate of speciation.
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Details
Grade: Middle school
Subject: Biology
Keyword: mass extinction
