BIOLOGY HIGH SCHOOL

both deer and a tree react to changes in their external surroundings, helping them to maintain a constant internal enviornment. this statement describes

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Answer 1
Answer: The answer to this question should be: homeostasis

An organism will try to maintain their environment to be as ideal as possible. One of the examples is temperature. This happened because the enzyme inside an organism has an ideal temperature and pH to work with. When the temperature is too low, the enzyme might stop working makes the organism lives in threat. In this case, the organism limb muscle might start to do unconscious contraction to produce heat.

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All of the coyotes (Canis latrans) living in the Mojave Desert constitute a(n): a. organism b. population c. community d. biosphere e. ecosystem
What is allele frequency
1.If you are working as a forensic scientist and are given an unknown powder from a crime scene, what would you hope to find out about the powder?2.You find that the unknown powder contains the illegal drug cocaine. If someone where to ask you to determine the purity of the substance, what would they mean? Why is purity important in crime investigations?
When examining the hierarchy of life, which of the following terms is most inclusive?a. ecosystem b. biosphere c. population d. species
If the water concentration inside the cell is higher than the water concentration outside the cell, then the inside of the cell is ________ compared to the outside.

All taxonomic systems of classification use five kingdoms.

True
False

Answers

the answer for this is false

When adult amphibian skin harbors populations of the bacterium, Janthinobacterium lividum (Jl), chytrid infection seems to be inhibited. Which of the following represents the best experimental design to test whether this inhibition is real?A) Inoculate uninfected amphibians with Jl, and determine whether the amphibians continue to remain uninfected by chytrids.
B) Inoculate infected amphibians with Jl, and determine whether the amphibians recover from infection by chytrids.
C) Take infected amphibians and assign them to two populations. Leave one population alone; inoculate the other with Jl. Measure the rate at which infection proceeds in both populations.
D) Take infected amphibians and assign them to two populations. Inoculate one population with a high dose of Jl; inoculate the other with a low dose of Jl. Measure the survival frequency in both populations.

Answers

Answer:

C: Take infected amphibians and assign them to two populations. Leave one population alone; inoculate the other with Jl. Measure the rate at which infection proceeds in both populations.

Explanation:

In scientific investigations, the best way to determine the effect of certain experimental factor on the population of study is to have a baseline for comparison. This is usually referred to as controlled experiment.

In the case of the observation that chytrid infection in amphibians seems to be inhibited by Janthinobacterium lividum, the best way experimental design is to get a population of amphibians suffering from the disease, divide them into two groups and subject them to the same conditions except the introduction of Janthinobacterium lividum to the skin of one of the groups.

A suitable method can thereafter be employed to measure the rate at which infection proceeds in both population. If indeed, the bacterium has the capacity to inhibit the infection, the rate of infection in the group with the bacterium will be significantly less than that of the group without the bacterium.

The correct option is C.

How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones? a. 1
b. 2
c. 3
d. 4
a. specialized vascular tissue.
b. absorption alone.
c. absorption and transpiration.
d. osmosis and diffusion.

Answers

I think the answer is 2

Which of the following statements accurately describes the relationship between coral reefs and aquatic organisms?a. Aquatic organisms have only a predatory relationship with coral reefs.
b. Coral reefs provide aquatic organisms with resources but derive no benefits in return.
c. Coral reefs provide resources for aquatic organisms and derive resources from other organisms as well.
d. Aquatic organisms live independently of coral reefs.

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The correct answer is - c. Coral reefs provide resources for aquatic organisms and derive resources from other organisms as well.

The corals are essential part of the marine ecosystems. They are feeding upon zooplankton, but also their polyps get sugar that is produced by the algae living on them. Also, the corals provide much needed shelter for lots of marine animals, but also are on the menu of some, like the starfish for example.
Coral reefs provide resources for aquatic organisms and derive resources from other organisms as well.

DNA Replication Assignment

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In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.[1] DNA replication occurs in all living organisms acting as the most essential part for biological inheritance. This is essential for cell division during growth and repair of damaged tissues, while it also ensures that each of the new cells receives its own copy of the DNA.[2] The cell possesses the distinctive property of division, which makes replication of DNA essential.

According to “Making History with Vitamin C,” how did Cook persuade his men to want sauerkraut?A. He made it available only to the officers at first.
B. He flogged them if they refused to eat it.
C. He tried new recipes every week until he found one they liked.
D. He showed them what a man very sick with scurvy looked like

Answers

Cook persuade his men to want sauerkraut by :
B. He flogged them if they refused to eat it.

When Cook realized that the men refused to eat the sauerkraut, he took it away from them and said that only the officers could eat it and he allowed to put it on officer's table only.

Answer:

It's B

Explanation:

I got right
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