The ph at which 50 percent of the daphnia survive after 2 hours of exposure can be predicted from the data. this ph is closest to

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Answer 1

Answer: 4.5 is the answer this phbis closest to 4.5

Related Questions

Peter Rodman proposed that human evolution was linked to ________ while Owen Lovejoy suggested the best explanation was ________. a. the ability to carry food in order to provision family members; increased efficiency in walking as forests transformed to wooded environments b. the increased efficiency in walking as forests transformed to wooded environments; the ability to carry food in order to provision family members c. the ability to make and use stone tools; the loss of the diastema and evolution of thick enamel d. the early emergence of a large brain; the later emergence of a large brain
A Group of students performing an experiment collect Euglena samples from a pond and keep them in darkness in a vessel containing pond water which would be the conclusion for this experiment? A) The Euglena cells remain alive because they are completely heterotrophic and feed on the organic matter present in the pond water. B) The Euglena cells die because they are completely autotrophic in nature and are unable to create food in the absence of sunlight. C) The Euglena cells, which are both autotrophic and heterotrophic, remain alive even in the absence of sunlight because they
Parkinson’s disease is a brain disorder that may be caused by mutations in several genes that code for the production of alpha-synuclein. Individuals who have Parkinson’s disease exhibit symptoms such as uncontrollable tremors, difficulty walking, and loss of coordination. How might geneticists determine where the mutations that cause Parkinson’s disease are located?A. PCR analysis B. gene mapping C. DNA fingerprinting D. STR analysis
Which one of the following steps would be included in the primary response in humoral immunity?A. Antigen binds to antibodiesB. Cytotoxic T cells bind to infected body cells and destroy themC. Helper T cells activate cytotoxic T cellsD. A macrophage consumes a virus and displays antigens on its surface and signals helper T cells to divide.
Enzymes are sensitive to pH and temperature. If an enzyme's environment is too hot, the enzyme cannot -develop DNA, so it can move closer to a substrate., transform into a sugar that causes a reaction in a substrate. bind to a substrate and cause a reaction in the substrate., stimulate other molecules to become substrates.

Will give brainliest Will give brainliest Will give brainliest Will give brainliest. How did the Archean period end (or eon)plz answer before 8:00am

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Answer:Geologic Stage. During the beginning of the Archean Eon, about 4 billion years ago, as the frequency of meteorite impacts slowed, the Earth cooled, clouds formed, and the crust began to harden from the molten globe. The Earth was still a one-plate planet before the inception of plate tectonics.

Explanation:ended 2,500 million years ago

Answer:

GIVE ME BRAINLIEST OR DIE

Explanation:

The air you breathe into your lungs on a daily basis mostly consists ofa. oxygen
b. carbon dioxide
c. nitrogen
d. hydrogen

Answers

The air you breathe into your lungs on a daily basis mostly consist of carbon dioxide.

A relationship where one organism lives in or on another organism for the purpose of getting energy

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This would be paratisitism. One organism, the one that is getting the energy, is called the parasite, and the other, the one from whom the energy is taken, is called the host.

an example is human (host) and tapeworm (parasite)

How does the principle of independent assortment apply to chromosomes

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The principle of independent assortment applies to chromosomes because it is the chromosomes that sort independently, not the genes. And the reason that the genes don't sort independently is because the genes are linked to the chromosomes.

A fossil of a fern and other large-leafed plants were found in an area of Alaska. What does this suggest about this area in Alaska?

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The answer is: the area in Alaska once had a warmer climate.

A fern and other large-leafed plants were adapted to live in a warmer climate. The large leaves prove this. It is known that the largest leaves are characteristic of the warmer climate for many reasons, such as increased of transpiration surface, or increased of photosynthetic increase, etc. If fossils of such plants are found in some colder area, such in Alaska, it suggests that this area once was warmer than today.

Answer:

The fossilized fern suggests the area once had a warmer climate. i just got it right.

Explanation:

Cancer and allergies are examples of environmental influenced diseases. t/f

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Cancer and allergies are examples of environmental influenced diseases.(true) i have had this answer before.