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Leona [35]
2 years ago
10

What can engineers do to protect ecosystems from invasive species ? will mark brainliest !!!!

Biology
2 answers:
fredd [130]2 years ago
5 0

Answer:

GREGR

Explanation:

GERG

BARSIC [14]2 years ago
4 0

Answer:

By extensively filtering the water in a lake or a bay they can clear it enough to increase light penetration thus affecting benthic macroalgal communities by facilitating growth. There are numerous examples of animals and plants that function as ecosystem engineers.

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Which best describes what is happening in the area
Naily [24]

Answer:

water is carried to the leaves by xylem.

Explanation:

Xylem transports water, and it comes up through the roots to the stem, and lastly to the leaves. hope this helps!

8 0
3 years ago
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A cell with 80 chromosomes undergoes meiosis. How many chromosomes are found in the daughter cells? How many daughter cells are
qwelly [4]

Answer:

Four daughter cells are produced each with 40 chromosomes. The daughter cells would exhibit genetic variations and would not be genetically identical to each other.

Explanation:

Meiosis is a cell division that forms four daughter cells from one parent cell as two sequential division meiosis I and meiosis II do not include any DNA replication between them. Crossing over during prophase-I of meiosis-I includes the exchange of genetic segments and occurs between the homologous chromosomes. It produces new gene combinations in the daughter cells which were otherwise not present in the parent cell.

Since there is no DNA replication between meiosis I and meiosis II, the daughter cells have half the number of the chromosomes compared to the parent cell. This occurs as homologous chromosomes move towards the opposite pole during anaphase I.

Therefore, a parent cell with 80 chromosomes will make a total of 4 daughter cells by meiosis. Each daughter cell would have 40 chromosomes. These daughter cells would have some new gene combinations and would be genetically dissimilar among themselves.  

5 0
3 years ago
How does competition shape communities?
mixas84 [53]
Competition shapes communities because it is something that people must learn to help eachother out with
3 0
2 years ago
20.
xxMikexx [17]

Answer:

Sugars and phosphates  

Explanation:

DNA is deoxyribonucleic acid.

The backbone is based on a repeated pattern of a sugar group (deoxyribose) and a phosphate group.  

The image below shows one straightened-out strand of DNA with a backbone of alternating sugars and phosphates.

A is wrong. There is no ribose in DNA.

B is wrong. The nucleic acids A, C, G, and T join one strand of DNA to the other.

C is wrong. There is no RNA in DNA.

3 0
3 years ago
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When holding a guitar or flute, the elbow joint bends when the
Dmitry [639]

Answer:

C. biceps muscle contracts

Explanation:

Answers for the quick check are

B: B

D: The muscle would continue to contract uncontrollably.

A: The muscle would be permanently relaxed.

C: biceps muscle contracts.

B: smooth muscles

3 0
2 years ago
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