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uysha [10]
3 years ago
9

There are two plowed fields that are each one acre and one mile apart with a wood surrounding one and the other surrounded by a

pasture; they have the same soil composition and climate. In the first field, as succession begins, the pioneer species are pine trees and shrubs. In the second field, the pioneer species are weeds and shrubs. This provides evidence for which model of succession?
Biology
1 answer:
miv72 [106K]3 years ago
6 0

Hey there

the answer is

the tolerance model

thank you

best wishes

          OFFCIALLYSAVAGE2003

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The cytoplasm flows within the cell membrane circle, keeping every part ____________.
Aleonysh [2.5K]
Cytoplasm keeps everything in place
4 0
3 years ago
This is a tissue that makes up most of the fleshy part of a plant. The fleshy part of the plant is shown. Which does this tissue
MaRussiya [10]

Answer:

Dermal and vascular tissue

Explanation:

The dermal system of plants works together with the vascular system to carry out sweating.

The dermal tissue is wound by the epidermis and periderm. The epidermis is varied in its structure and function, among which its main function is that of protection and vegetal covering. These cells are covered by a cuticle, responsible for providing an impermeable characteristic to the cell. In this region, there is the presence of guard cells, which are responsible for the process of closing and opening pores, called stomata. This structure serves to control the plant's internal gases, such as the entry and exit of water vapor, CO2 and oxygen. The periderm, in turn, is the secondary protective tissue in vegetables. It has a loose organization, allowing an aeration of the internal tissues of the roots and stems. It is in this region that we find mainly the suber, the best known being cork, which is a classic example of periderm.

The vascular system is formed by xylem and phloem. Xylem is the main conductive tissue of water, nutrients and minerals. Its composition is formed by dead cells, with lignin impregnation. It is found more internally in relation to phloem, also acting as an important supporting tissue, as it has special cells called tracheids and vessel elements. Both are elongated cells that have points on their wall to communicate with one cell to another. Phloem, in turn, is formed by living cells, being the main responsible for transporting elaborate sap from the leaves to the stem and roots. It is located just below the plant's bark, formed by a special cell called sieving elements, because that cell has sieving areas, through which the protoplasm of the adjacent cells bind. This region is known as the riddled plaque. These sieved tube elements also have the characteristics of being associated with special parenchymal cells called companion cells.

5 0
3 years ago
The zygote divides and produces more cells through the process of _______.
Artemon [7]
Pretty sure the answer is Mitosis

8 0
3 years ago
Explain how these tail lengths were inherited by describing the mode of inheritance, indicating how many gene pairs were at work
emmainna [20.7K]

Here we can see that 7 phenotypes appeared in F2 generation, so the number of genes involved is 3 and alleles is 6. Contribution per allele = 4 cm Base contribution = 6 cm

Genotype of Harvey = aa bb cc Genotype of Erma = AA BB CC

Number of dominant alleles if length is

18 cm = 18-6 / 4 = 12 / 4 = 3.

F1 generation genotype = Aa Bb Cc This clarifies why the length is 18 cm, as there are three dominant alleles.

seven 1. It is likely that there are gene pairs in this cross. There are

categories of phenotypes. The genotypes of the parents would be combinations of alleles that would produce a 6 cm ( aabbcc ) tail and a 30 cm) tail, whereas the 18 cm offspring would have a genotype of AaBbcc.

learn more about phenotypes here: brainly.com/question/902712

#SPJ4

8 0
2 years ago
How does the IPPC help government to decide what to do about global warming?
IRINA_888 [86]

Answer:

IPCC determines the state of knowledge on climate change. It identifies where there is agreement in the scientific community on topics related to climate change. I hope that was helpful.

Explanation:

Its role as defined in the “Principles Governing IPCC Work” is “to assess on a comprehensive, objective, open and transparent basis the scientific, technical and sociology-economic information relevant to understanding the scientific basis of risk of human-induced climate change.

5 0
3 years ago
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