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Rzqust [24]
3 years ago
5

Please answer as many as you can this is just a study guide

Biology
1 answer:
4vir4ik [10]3 years ago
8 0

Answer:

01. the continued existence of organisms that are best adapted to their environment, with the extinction of others, as a concept in the Darwinian theory of evolution.

02. It shrinks as species begin fighting for resources.

03. The animal will experience a lack of growth.

04. Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.

Explanation:

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What is the measles virus made of?
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Explanation:

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you will need to put your model chromosomes back together for the next part of this activity. the diagram shows how your partner
timurjin [86]

Sister chromatids have different alleles although carry same genes on same loci. So if it doesn't happen so, like if there are same alleles on sister chromatids then there is a problem in its formation. i.e., male and female alleles haven't contributed equally ( may be an error during their segregation process ). And obviously it doesn't happen in a real cell so we must understand this point. Because normally whenever it happens there's one half from the male and one half  from the female. (i.e. maternal and paternal alleles contribute equally).

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3 0
3 years ago
What is the name of the process by which the cytoplasm divides in two?
Kamila [148]

Answer:

Cytokinesis

Explanation:

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Karyokinensis involves the division of the genetic material (DNA) in the nucleus. The chromosomes are initially separated into opposite poles/ends inside the cell. After which the cytoplasm of the whole cell then separates resulting in two daughter cells each having its own genetic material. This process is called CYTOKINESIS.

Although CYTOKINESIS occurs in all eukarotes and prokaryotes, the way it occurs in the eukaryotic plant and animal cells differ in the sense that, in animals, it occurs with the formation of a cleavage furrow as a result of pinching inward of the cell membrane until the two daughter cells form while in plants, a cell plate is formed at the cell's centre and a new membrabe and cell wall is formed around each cell plate.

4 0
3 years ago
Which scenario would cause a covalent bond to form?
nekit [7.7K]

Answer: A) Two atoms share electrons so they can fill their outer shells

Explanation: A covalent bond is a type of bond formed by sharing equal number of electrons between two non-metal atoms so that both of them can attain a stable octet or duplet structure of noble gases.

In covalent bonding, there is no loss or gain of electrons between atoms. For example, the formation of chlorine molecule, chlorine atom has seven electrons in its outermost shell, remaining one electron to attain an octet structure of noble gases. Two chlorine atoms share one pair of electron, each chlorine atom donating one electron to form a pair so that each atom in the chlorine molecule attains an octet structure..

4 0
3 years ago
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