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julia-pushkina [17]
3 years ago
9

In what way did scientists most likely help change the attitudes about

Biology
1 answer:
podryga [215]3 years ago
8 0

Answer:

The cleaning up of Lake Washington didn't occur overnight. It started with the process of providing scientific information to the public and the public decided to take action.

The action was persistent and the results yielded took a long while to materialize properly.

Upon receipt of the information from scientists that a particular bacteria was responsible for damaging the ecology of the water body, the public resorted to conveying all effluents to a treatment plant rather than dump same in to the Lake.

Cheers!

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A biology class wants to perform an experiment to investigate the effect of different colors of light on germination. they wrap
leva [86]
The three colors of cellophane serves as the light source for the set-up. The three colors would give different wavelengths of light to the sample in the jar. It is the independent variable in this experiment. Hope this answers the question.
7 0
3 years ago
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Suppose two brown haired parents have a red haired child what are the genotypes of each parent? And what % for them to have red
Savatey [412]
1) B- brown;  b- red hair

 Having brown hair is a dominant trait while red hair is recessive.
If the parents had a red-haired child it means they were carriers of the red hair trait, so their genotype is  Bb
 
2)
Getting their genotypes together would result in the possibilities that you see at the image below.
1/4 = 25% BB - brown
2/4 = 50% Bb brown but carrier
1/4 = 25% bb red hair
Answer: 25%
 
3) The genotype of the child, as i said before would be bb. By having both alleles being recessive the child will show red-hair. If it was any other genotype( BB or Bb), the child would have brown hair, like their parents.

4 0
3 years ago
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Miohippus has been classified as a browser (an animal that feeds on shrubs and trees) while merychippus has been classified as a
Tanya [424]

One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing

<h3>Description of Pliohippus </h3>

From the information provided in the question The modern day horse resembling the pliohippus can be inferred to have teeth which is adapted for grazing just like the pliohippus.

The pliohippus evolved from the merychippus which is classified as a grazer. because of its longer/taller teeth the pliohippus was more adapted to grazing than been a browser.

Hence we can conclude that One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing

Learn more about modern day horses : brainly.com/question/688848

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5 0
2 years ago
Plasma membrane of a skeletal muscle fiber - _________Extension of the sarcolemma that dives into the muscle fiber and surrounds
Tpy6a [65]

Answer:

1. Sarcolemma

2. T-Tubule

3. Sarcoplasmic reticulum

4. Terminal Cisternae

5. Myofibrils

6. Myofilament

7.Thick filament

8. Thin filament

Explanation:

These are all parts of the skeletal muscle and they are all involved in the contraction of your muslces.

The sacrolemma is also known as the myolemma. It is a specialized plasma membrane of the skeletal muscle cell. It is an excitable membrane that shares similarities to the cell membrane of a neuron cell.

The T-tubule extends from the sarcolemma to the sarcoplasmic reticulum (SR). This is the smooth endoplasmic reticulum of the muscle cell. When the sarcolemma gets excited, it triggers the SR to release the calcium ions stored in it. The release of Calcium ions triggers the contraction of myofilaments.

There are two types of myofilaments, the thick myofilament and the thin myofilament. These myofilaments contain contractile proteins, actin and myosin. Thick myofilaments contain myosin where one thick myofilament contains 300 myosin molecules. Thin myofilaments contain contractile and regulatory proteins. These myofilamens make up myofibrils.  

6 0
3 years ago
What type of horses run in the tripe crown?
Lisa [10]

Answer:

Thoroughbred horse

Explanation:

8 0
4 years ago
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