BIOLOGY HIGH SCHOOL

Mangrove forests were traditionally viewed as _______.a.
unproductive wastelands
b.
valuable fish habitats
c.
an erosion preventing habitat
d.
pollution filters

Answers

Answer 1
Answer: a) unproductive wastelands I believe is the answer you are looking for.
Answer 2
Answer: The answer is A, It was viewed as an unproductive wasteland. 

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Antibiotics are the treatment of choice for __________.
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Amanda is observing the transverse cross section of an apple root under the microscope. She has to locate the stele. Which characteristic of stele will help her to identify it?A.It is present at the center of the root, surrounded by the pericycle, and has the vascular tissues like xylem, phloem, and cambium inside it.B.It is present towards the boundary of the root, lined by the cortex, and has the tissues like parenchyma and collenchyma inside it.C.It is present between the epidermis and the endodermis and has tissues like chlorenchyma inside it.

Why is the ability to use creativity an advantage when attempting to find answers to old problems?

Answers

The correct answer should be the scientist finds it easier to design a new experiment to test a hypothesis. 

Thinking outside of the box and applying new strategies is always helpful when solving problems.

Answer:

Because a new solution is to be carved for a old problem, therefore creativity is required.

Explanation:

Finding solution to old problem requires an individual thinker to think out of the box solution which have been never implemented or were implemented in an incorrect manner.

In order to think out of the box , hell lot of bigger dose of creativity is required. When a novel and appropriate solution is required, creativity becomes essential

Problem solving is an skill and a logical thinker can only imbibe it thereby using his/her creative thinking.

Which of the following statements is true? (1) HPV causes cancer of the cervix in females. (2) HepatitisB virus causes cancer of the liver. (3) Many viral diseases can be prevented with proper vaccination. (4)
Antibiotics have no effect on viruses.
a. 1 and 2
b. 3 and 4
c. 1, 2, and 3
d. 1, 2, 3, and 4

Answers

All are true. Virues are not living so antibiotics (anti = against + bio = life) will not work.

Why is testcross necessary to determine genotype when an organism shows a dominant trait?

Answers

Test cross is the cross between an organism with unknown dominant genotype and an organism with known recessive genotype.
Since dominant trait results from a dominant allele, the test cross can determine if unknown genotype is heterozygous and homozygous dominant.

If A is dominant allele, and a is recessive allele, then AA is dominant homozygote, Aa is heterozygote, and aa is recessive homozygote.
According to the Punnett square, if all of the offspring are heterozygote (Aa), then unknown genotype is dominant homozygous (AA). If half of the offspring are heterozygote, and the other half are recessive homozygote, then the unknown genotype is heterozygote (Aa).

Why are such different animals as fish, amphibians, reptiles, birds, and mammals grouped into a single phylum?

Answers

The simplest answer is that these all have a backbone/notochord and all have internal skeletons of some type,

What is the coldest layer of the Earth's atmosphere?

Answers

Answer:

The correct answer is mesosphere.

Explanation:

The atmosphere exhibits five distinct layers, which are determined by the modifications in temperature that take place with the upsurging altitude. These are troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Of the mentioned layers, the mesosphere, that is, the layer present above the stratosphere is considered as the coldest layer of the atmosphere. The coldest portions of the atmosphere are situated in this layer and can reach up to -90 degree Celsius.
The mesosphere is coldest, reaching temperatures of -90 degrees Celsius

Which of the following best describes a characteristic of Fungi that differentiates them from Bacteria?a.Fungi are eukaryotes, while Bacteria are prokaryotes.

b.Bacteria are heterotrophs, while Fungi are autotrophs.

c. Bacteria have gametangia, while Fungi do not.

d.Fungi have cell walls, while Bacteria do not.

Answers

Fungi are eukaryotes, while bacteria are prokaryotes is the statement among the following statements given in the question that best describes a characteristic of Fungi that differentiates them from bacteria. The correct option among all the options that are given in the question is the first option or option "a".
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