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gladu [14]
2 years ago
8

How many cells are made in mitosis?

Biology
1 answer:
Lostsunrise [7]2 years ago
3 0
<span>After mitosis two identical cells are created with the same original number of chromosomes, 46. Haploid cells that are generated through meiosis, such as egg and sperm, only have 23 chromosomes, because, remember, meiosis is a "reduction division."</span>
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Which of the following statements about vicariance and dispersal is most accurate?
V125BC [204]

Answer:

Answer is A. Vicariance does not require organisms to disperse.

Explanation:

Vicariance occurs when there is a sudden occurrence barrier , such as geographical area barrier that cause the isolation of species of organisms.

Dispersal involves the movement of the organism while vicariance is the change in environment due to sudden occurrence in the area.

In this case, vicariance  does not involve movement of organisms while dispersal involves movement of organisms.

7 0
3 years ago
How do the circulatory and respiratory systems have to do with endurance in running?
avanturin [10]
The red blood cels are pushed through both systems and works as a avocet to the send signals that the heart is overworked and cant push enough blood to the need breathing
3 0
3 years ago
What is the significance of the Agricultural Revolution?
Nutka1998 [239]

Answer:

Hope this is helpful to you!

The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.

5 0
2 years ago
A scientist wants to use a model to help present the results of his detailed scientific investigation.
oksian1 [2.3K]

Answer:

O because the model makes the concepts easier to understand

Explanation:

The model would help other people understand his results.

5 0
3 years ago
Match each type of migration or dispersal to the image of the species that follow it? passive Dispersal, One Direction, only dai
FrozenT [24]

Answer:

Movement is important to all organisms, and accordingly it is addressed in a huge number of papers in the literature. Of nearly 26,000 papers referring to movement, an estimated 34% focused on movement by measuring it or testing hypotheses about it. This enormous amount of information is difficult to review and highlights the need to assess the collective completeness of movement studies and identify gaps. We surveyed 1,000 randomly selected papers from 496 journals and compared the facets of movement studied with a suggested framework for movement ecology, consisting of internal state (motivation, physiology), motion and navigation capacities, and external factors (both the physical environment and living organisms), and links among these components.

Explanation: Most studies simply measured and described the movement of organisms without reference to ecological or internal factors, and the most frequently studied part of the framework was the link between external factors and motion capacity. Few studies looked at the effects on movement of navigation capacity, or internal state, and those were mainly from vertebrates. For invertebrates and plants most studies were at the population level, whereas more vertebrate studies were conducted at the individual level. Consideration of only population-level averages promulgates neglect of between-individual variation in movement, potentially hindering the study of factors controlling movement. Terminology was found to be inconsistent among taxa and subdisciplines. The gaps identified in coverage of movement studies highlight research areas that should be addressed to fully understand the ecology of movement.

Keywords: dispersal, foraging, migration, navigation, physiology

Almost all organisms have to move at some point during their lives, either under their own locomotion or transported by physical processes or organic agents. Movement is beguiling in its variety and complexity. For example, why do sooty shearwaters with chicks in nests in New Zealand regularly forage in the waters off California or Alaska ( 1 )? Why do some planktonic organisms undergo regular daily vertical migrations ( 2 )? Why do some species show nomadic movements, and others follow fixed-route roundtrip migrations ( 3 )? Movement is often in response to short-term goals such as reproduction, maintenance, including feeding, and survival, including escaping threats. It may also be shaped by longer-term fitness implications, such as avoidance of inbreeding and population extinction. Its importance in biology is attested to by numerous books (e.g., ref. 3 ).

Here, we address the movement of whole organisms or gametes as opposed to the movement of appendages, molecules, or physical entities. Terminology for movement is, at best, confusing. Some terms such as “movement” are frequently used for body parts rather than whole organisms, and others such as “orientation” have multiple meanings, some of which are relevant to movement and others not (e.g., policy orientation, or compass direction). Physical entities, such as water, sediments, or tectonic plates, also move.

6 0
2 years ago
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