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schepotkina [342]
3 years ago
13

What exactly is species evenness?

Biology
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

Species evenness refers to how close in numbers each species in an environment is.

Explanation: For example, let's say there are 15 elephants, 60 zebras and 5 lions on our first sample. The sample from the second states 35 elephants, 25 zebras and 20 lions. The total of both sample 1 and sample 2 become 80. Sample 2 is relatively more evenness than sample 1 . This is because the total number of animals in the sample is quite evenly distributed between the 2 samples. This environment  is not very even though. Species richness is a measure of the number of different kinds of organisms present in a particular area. Evenness compares the similarity of the population size of each of the species present as I mentioned above.

:)

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Mendel used single gene (or monohybrid) experiments to describe his law of segregation. He used _______ characters (or dihybrid)
allochka39001 [22]

Answer:

Law of Independent assortment

Explanation:

Gregor Mendel, who was regarded the father of Genetics, discovered principles that governs inheritance in his experiments. He discovered that the alleles of a gene will separate into gametes when he performed a crossed involving a single gene or character like height, pea color etc. He proposed his law of segregation based on this.

However, he considered two characters or genes in his cross, which he called a DIHYBRID cross. He discovered that the alleles of each different gene separates into gametes independently of one another i.e. without one gene influencing the other in each gamete. He called this principle his LAW OF INDEPENDENT ASSORTMENT.

He obtained a 9:3:3:1 phenotypic ratio for the F2 dihybrid offsprings which is only possible if each gamete equally likely contains two alleles of the two different genes in different combinations.

3 0
3 years ago
Think about all of the figures that illustrate tracheids. What are the functions for tracheids? How can you identify a tracheid
kotykmax [81]

Answer: The tracheids have important functions in the plant.

Explanation: The mechanical support is provided by the lignified walls of tracheid cell. the helps in other functions of the plant such as transporting water and getting the solute from the root to the stem and eventually the leaf of the plant.

The tracheids are most useful in the gymnosperms where elements need to be transported.

Identifying a tracheid in a cross section is quire easy as the tracheid cells fit into each other neatly and piled up similarly and have identical shapes as well which makes them obvious from other cells.              

The two examples of tracheid plans could be

  • pteridophytes
  • gymnosperms  

The most common thing that could be found in traceid plant is that this cells are mainly present for transporting either water other solutes in the plant body.

4 0
3 years ago
4. During _____ both the contents of the nucleus and the cytoplasm are divided
mario62 [17]
The mitotic phase. It includes both mitosis and cytokinesis
4 0
3 years ago
Humans can maintain a stable internal temperature by?
Lerok [7]

Answer:

A

Explanation:

your body temp get to room temp by fever to fight off infection

8 0
3 years ago
HURRY PLS!! The structure of DNA resembles a twisted ladder. Which structural components from the rungs of the ladder
Zina [86]

Answer is: C

Hopefully this helps you, have a nice day! :)

in addition to that; (it's pairs of 4 types of (c))

6 0
3 years ago
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