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8090 [49]
3 years ago
15

Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden emp

ty in order to observe ecological succession. Which of these will most likely occur first? *
3 points
Development of topsoil
Growth of weeds and grasses
Growth of trees and shrubs
Development of a stream
Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0
Growth of weeds and grasses
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Is a hamster a primary consumer? Why?
Fiesta28 [93]

Answer:

A hamster is a primary consumer because it feeds on primary producers (plants).

5 0
3 years ago
Please place the following vessels in the correct order to represent the arterial circulation leading up to the glomerulus.
Ymorist [56]

The following vessels are connected as below:

aorta ->renal arteries ->segmental arteries ->interlobular arteries ->arcuate arteries ->cortical radiata ->afferent arteries ->glomerulus.

1) aorta : arises from heart which carry blood from heart to the rest of the body

2) renal artery :it arises from the aorta which carry blood to kidney .it carry unfiltered blood .

3)segmental arteries : it arises from renal artery .it has  5 branches or segments.

4)interlobular arteries : it arises from segmental arteries. the interlobular arteries pass directly outward between the medullary rays to reach the fibrous tunic ,where they end in the capillary network of this part.

5)Arcuate arteries: it arises from interlobular arteries .it is also known as arciform arteries, are vessels of the renal circulation. they are located at the border of the renal cortex and renal medulla.

6) cortical radiata: it arises  from arcuate arteries.

7) afferent arteries: it arises from interlobular arteries and also connects to glomerulus. they are a group of blood vessels that supply the nephrons in many excretory systems .they play a important role in regulation of blood vessels.

8) glomerulus : it connects from afferent arteries.it is the filtering unit of kidney ,is a specialised bundle of capillaries that are uniquely situated between two resistance vessels.

Disclaimer: the given question is incomplete means it contains incomplete data .the correct question is given below.

Question: Please Place The Following Vessels In The Correct Order To Represent The Arterial Circulation Leading Up To The Glomerulus. Aorta Interlobar Artery Segmental Artery Afferent Arteriole Cortical Radiate Renal Artery Arcuate Artery Glomerulus

Please place the following vessels in the correct order to represent the arterial circulation leading up to the glomerulus.

Aorta

Interlobar artery

Segmental artery

Afferent arteriole

Cortical radiate

Renal artery

Arcuate artery

Glomerulus

Learn more about blood vessels here :

brainly.com/question/11763276

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5 0
2 years ago
Which reflex is triggered by food in the stomach, relaxes the ileocecal valve, and allows residue into the cecum?
kari74 [83]

Gastroileal reflex is triggered by food in the stomach, relaxes the ileocecal valve, and allows residue into the cecum.

The gastroileal reflex is triggered by the presence of food in the stomach as well as gastric peristalsis.

Gastroileal reflex brings about peristalsis in the ileum as well as the opening of the ileocecal valve, which in turn facilitates the emptying of the ileal constituents into the large intestine or colon.

The gastroileal reflex is one among the three extrinsic reflexes of the gastrointestinal tract. The other two include the gastrocolic reflex as well as the enterogastric reflex.

This type of gastrointestinal reflex is moderated by the vagus nerve and gastrin.

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6 0
1 year ago
Human blood type is determined by three alleles IA, IB, and IO. The alleles IA and IB are co-dominant to each other, and both ar
dlinn [17]

Explanation:

According to p²+q²+2pq=1 (Hardy-Weinberg equilibrium)

heterozygote allele will be always 2pq

<u>1. Population</u>

1. A blood group has two genotypes- IAIA and IAIO

The genotype frequency will be-

IAIA= 0.3 X 0.3 = 0.9

IAIO= (0.3 x 0.6) x 2= 0.36

Total genotype frequency = 0.9+ 0.36 =0.45 or 45%

Now 45% of 540,000= 2,43000 (A blood group)

2. B blood group has two genotypes- IAIB and IBIO

The genotype frequency will be-

IBIB= 0.1 x 0.1 = 0.1

IBIO= (0.1 x 0.6)-=0.12

Total genotype frequncy= 0.13 or 13%

popluation with B blood group=  13% of 540,000 will be 70,200

3. AB blood group is IAIB

2 x IAIB= (0.3 x 0.1) x 2= 0.6

popluation with B blood group= 6% of 540,000= 32,400

4. O blood group

2. Heterozygote

IBIO blood group

= (0.1 x 0.6) x 2  

= 0.12 or 12%

= 12%

4 0
3 years ago
What are the FOUR major components of biodiversity (biological diversity)?
dimaraw [331]

Four major components of biodiversity are:

1. Genetic diversity - refers to the genetic variation that occurs among members of the same species.

2. Species diversity - (taxonomic diversity) refers to the variety of species or other taxonomic groups in an ecosystem

3. Ecosystem diversity - refers to the variety of biological communities found on earth. With ecosystem diversity, its two levels are generally considered, which are communities and ecosystems.

4. Functional diversity - refers to the variety of biological processes, function or characteristics of a particular ecosystem. 

8 0
3 years ago
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