In the Arctic marine habitat, fishing has long been a way of life. Natives to the area have satiably utilized the riches of the oceans for generations. Recently a commercial fishing company has entered this area and begun bottom trawling for small fish such as sardines and Arctic cod. How would such a fishing technique impact the ecosystem? Choose ALL that apply. A) Top level predators may leave the area in search of food. B) Overall, there will be a reduction in biodiversity in the area. C) Once prey species are caught, the food web in the area will be disrupted. D) Predators from other regions will move in to replace absent polar bears and seals. E) The trawl net will scoop up everything in its path, including marine life and seafloor structure.

Answer:

B

Explanation:

B

The likely impact on the ecosystem by creating artificial reefs is that biodiversity would be increased throughout the ecosystem (Option B).

The term biodiversity makes reference to all types of forms of life (organisms) present in a given ecosystem.

In conclusion, the likely impact on the ecosystem by creating artificial reefs is that biodiversity would be increased throughout the ecosystem (Option B).

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Answer:

Cleopatra VII Philopator was the last active ruler of the Ptolemaic Kingdom of Egypt. As a member of the Ptolemaic dynasty, she was a descendant of its founder Ptolemy I Soter, a Macedonian Greek general and companion of Alexander the Great.

Answer:

cleopatra was the last active ruler of the Ptolemaic Kingdom of Egypt

Answer:

cow

Explanation:

feet

Answer:

Most often there is a unicellular alga chlamydomonas. It moves in water with the help of two flagella located on the front, narrower end of the cell. Outside the chlamydomonas is covered with a transparent membrane, under which there is a cytoplasm with a nucleus, a red "eye" (a photosensitive body of red color), a large vacuole filled with cell juice, and two small pulsating vacuoles. Chlorophyll, contained in the chromatophores, gives a green the cell a green color.

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Explanation:

Answer:

d

Explanation:

Answer:

analysis/presentation

Explanation:

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The third step in fieldwork for marine science is analysis/presentation, Thus option "B" is correct.

Marine science recreates key role in the ongoing search to understand our world and to control its resources.

The interdisciplinary nature of the Marine Science curriculum will organise students to analyze deeply such co occuring issues as environmental alter, human clashes on the ocean, and biodiversity.

Thus option "B" is correct.

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Answer:

C. genetically modified organisms.

Explanation:

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Answer:

Transcription starts with DNA and ends with RNA  the location is at the nucleus

Translation starts with the RNA and ends with Protein the location is at the cytoplasm

number of strands in a DNA is 2 strands it has Adenine, thymine, cytosine and guanine are the four nucleotides found in DNA.

number of strands in a RNA is a single strand it has adenine, cytosine, uracil, and guanine found in the RNA

Answer:

Ss (male) × Ss (female)

Explanation:

This question involves a single gene coding for hair length in guinea pigs. Based on the information in this question, the allele for short hair (S) is dominant over the allele for long hair (s). This means that a guinea pig will only be phenotypically long-haired if the genotype is "ss".

According to this question, Two short-haired guinea pigs are mated several times. Out of the 100 offsprings produced by this cross, 25 of them have long hair (recessive). This means that the phenotypic ratio of this cross is 3 short hair : 1 long hair i.e. 100 - 25 = 75 short hair. 75/25 = 3/1 = 3:1

To produce this phenotypic ratio, the parents must both be heterozygous (Ss) for the hair length gene.

Answer:

Renewable resources: timber and wind

Explanation:

nonrenewable resources: coal and natural gas

Answer:

It does not tell you the exact age of something.

Explanation:

refers to carbinet secretary for food, rural affairs and environment

Answer:

The Secretary of State for Environment, Food and Rural Affairs. This is important in a society.

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Answer:

Resting membrane potential; voltmeter; neuron; interstitial fluid; -70; outside; inside.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles. Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include; nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, vesicles, etc.

The relative difference in charge across a plasma membrane is the resting membrane potential in an inactive excitable cell. A voltmeter is used to measure the voltage difference across the plasma membrane. This is done by placing one microelectrode into the neuron and the other microelectrode outside the neuron into the interstitial fluid. The RMP has a value that is typically -70 millivolts. More positive ions reside outside a neuron than inside a neuron when it is at rest.

Answer:

B

Explanation:

Answer:

1. that DNA is passed between cells during cell division

2. that the cells of all organisms within a similar species are mostly the same, both structurally and chemically

3. that energy flow occurs within

Explanation:

These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically; and finally, that energy flow occurs within

Answer:

Explanation:

Answer:

1) The process is dangerous.

2) The process is not fully developed yet.

3) Cloning does not always work.

4) Faster aging.

Explanation:

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Answer:

Prophase

Explanation:

Cytokinesis begins in anaphase in animal cells and prophase in plant cells, and terminates in telophase in both, to form the two daughter cells produced by mitosis.

Answer:

A

Explanation:

Answer:

c.

Explanation:

They serve as a short-term energy source for the body.

Answer:

death of cells

Explanation:

because before organisms die all cells die and can not be produced again

Answer:

its made up of alternating sugar and phosphate molecules. or the first option

Explanation:

The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases.

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The group of choices associated with the question is as follows:

A)The four primates likely share a close common ancestor or could potentially be the same species based upon the jaw measurements.

B)The hominids with the most closely matching leg bone measurements are likely more closely related than the others, due to the importance of locomotion as an evolutionary adaptation.

C)The femur measurements are not important.

D)Because the measurements of the leg bones vary widely, it is probable that the four species are from different genera.

Answer:

The correct answer is - The four primates likely share a close common ancestor or could potentially be the same species based upon the jaw measurements.

Explanation:

On the basis of the research, it is found that the four primates have similar jaw structure and measurement and have a distinct length of bones of the leg.

The given research and founding suggests that all four primates most likely share a close common ancestor or diverge from the same species based on her jaw measurements.

Answer: The above answer is correct

Explanation: Took the test

Explanation:

Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.[1] In other words, it is the gradual growth of an ecosystem over a longer period of time.[2][3]

Primary succession occurring over time. The soil depths increase with respect to the increase in decomposition of organic matter. and there is a gradual increase of species diversity in the ecosystem. The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.

Primary succession on Rangitoto Island

In contrast, secondary succession occurs on substrate that previously supported vegetation before an ecological disturbance from smaller things like floods, hurricanes, tornadoes, and fires which destroyed the plant life.[4]

Answer:

A.

Explanation:

Makes the most logical sense.

Answer:

THE ANSWER IS B

Explanation:

Answer:

d. Chargaff

Explanation:

Answer:

Population =B)

Community = A)

Ecosystem= C)

Species= D)

Explanation:

I hope this helps you ;)

Answer:

PART 1: AAAGTTGCTGGTTG

PART 2:UUUCAACGACCAAC

PART 3:

UUU ---> Phe

CAA ---> Gln

CGA ---> Arg

ACC ---> Thr

AAC ---> Asn

PART 4: AAAGUUGCUGGUUG

Explanation:

Hello There!

PART 1: The first thing we want to do is find the complementary base pairs for the given DNA strand

Remember

The base pairs are

Adenine and Thymine

Cytosine and Guanine

The DNA strand given is

TTTCAACGACCAAC

Now we pair each nucleotide with its complementary base pair

T would change to A

A to T

C to G

and G to C

leaving us with

AAAGTTGCTGGTTG

PART 2: Now we want to transcribe the complementary DNA strand

IMPORTANT NOTE: Transcribing is pretty much like the first part, pairing each nucleotide with its complementary base pair except Adenine changes to Uracil not thymine

so adenine (A) changes to uracil (U)

thymine (T) to adenine (A)

guanine (G) to cytosine (C)

cytosine (C) to guanine (G)

AAAGTTGCTGGTTG

*transcribe*

and we're left with

UUUCAACGACCAAC

The next step is to pair the codons to its corresponding amino acid using the codon table provided below

The first thing we want to do is spread the codons out

Remember codons are a set of 3 nucleotides

Codon 1 (UUU) Codon 2 (CAA) Codon 3 (CGA) Codon 4 (ACC) Codon 5 (AAC)

Now we want to match each codon with its corresponding amino acid

Going from inside to outside using each letter we get that

UUU codes for Phe (Phenylalanine)

CAA codes for Gln (Glutamine)

CGA codes for Arg (Arginine)

ACC codes for Thr (Threonine)

AAC codes for Asn (Asparagine)

PART 4 Finally we want to find the anticodon of the mrna

Which is pretty much pairing each nucleotide base with its corresponding pair

Adenine to Uracil

Uracil to Adenine

Cytosine to Guanine

Guanine to Cytosine

So we'd go from UUUCAACGACCAAC to

AAAGUUGCUGGUUG