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Liono4ka [1.6K]
3 years ago
5

List and briefly describe in your own words the four main points of Darwins theory.

Biology
1 answer:
patriot [66]3 years ago
7 0

Answer:

Individuals of a species are not identical, Traits are passed from generation to generation, more offspring are born that can survive,and only the surviovrs of the competition for resources will reproduce.

Explanation:

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Suppose you were in charge of sending an unmanned space probe to a new planet in search of life. The probe would be able to coll
Svetlanka [38]

Answer:

Option D, a test for the presence of cells that contain DNA

Explanation:

As we know all living organisms are made up of cells and DNA is the basic genetic material that codes for protein and traits with an organism. If even a single cell with DNA is detected on the extraterrestrial planet then it will be clear that it has life on it or the environmental conditions are favorable to support life. Cells are microscopic and hence can be seen through microscope which can be installed easily on a probe.

Hence, option D is correct

8 0
3 years ago
How are the processes of natural selection and artificial selection similar? How are they different?
bezimeni [28]
These are similar because they both included desired characteristics. They are different because artificial selection has to do with humans being involved. where natural selection is with out humans being involved and is life or death.
8 0
3 years ago
The controversy over the ivory-billed woodpecker has pitted those who want to build a massive irrigation project against environ
Amiraneli [1.4K]

ANSWER:

(A) project be stopped to protect the ivory-billed woodpecker and all the other species of plants and animals.

EXPLANATION:

Option A (project be stopped to protect the ivory-billed woodpecker and all the other species of plants and animals) is most appropriate for a biocentric species egalitarian, because it provides equal rights and support for all forms of life without being baised on favoring sentient animals (animals who can feel and can be emotional).

NOTE: Species egalitarianism is the philosophic view that all living things have the same moral right and support and all forms of life have intrinsic value.

7 0
2 years ago
The development of refrigeration and frozen-food technology has benefited society in different ways. Identify two ways in which
skelet666 [1.2K]

Answer:

The development of refrigeration and frozen-food technology has benefited society in the following ways.

1) Refrigerator helps the people to protect the food substance from the infection of microorganisms such as bacteria and fungi.

2) Refrigerator helps in increasing the shelf life of many food materials. Some food substance have very short shelf life which can be increased by placing in the refrigerator.

Chicken sausages, nuggets and meat boll are the products that developed because of frozen -food technology.

3 0
3 years ago
People with achondroplastic dwarfism are heterozygous for a dominant allele conferring this trait. The homozygous dominant condi
Natali5045456 [20]
The allele for dwarfism - D its dominant
Recessive allele -d
If the person has heterozygous alleles -Dd the person will have achrondroplastic dwarfism
However if the person if homozygous for the allele DD it’s Lethal and person can’t survive
If both parents are Dd
Dd X. Dd
Offspring DD Dd Dd dd
Probability of children who survive with the trait have the genotype Dd
Probability - 1/4 + 1/4
Probability of having surviving children with the trait -1/2 -0.5
7 0
3 years ago
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