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yuradex [85]
3 years ago
5

Which statement is an example of mutualism?

Biology
2 answers:
Agata [3.3K]3 years ago
8 0

Answer: A

Explanation:

drek231 [11]3 years ago
6 0

Answer:

d

Explanation:

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pishuonlain [190]
I will be 210.c of acetic
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3 years ago
Wild diploid wheat has seven chromosomes in its pollen. Discuss the major events that had to occur for tetraploid pasta wheat to
lianna [129]

Answer:

Tetraploid wheat evolved by allopolyploidization and subsequent diploid-like behavior due to cytological diploidization

Explanation:

Durum wheat (<em>Triticum durum</em>) or pasta wheat, is a tetraploid wheat species that has 28 chromosomes, i.e., seven pairs in each genome (2n = 4x = 28). Durum wheat was domesticated from wild emmer wheat, which originated by hybridization of two diploid wheat species with 14 chromosomes: <em>Triticum monococcum</em> (genome AA) and one wild progenitor (genome BB). <em>Triticum durum </em>is a typical example of evolution by hybridization and polyploidization, where the resultant tetraploid species has two complete sets of chromosomes. Allopolyploidization is one of the most common types of plant speciation. During meiosis, 28 chromosomes form 14 homologous chromosome pairs, because homologous chromosomes have developed 'restriction of pairing' (i.e., cytological diploidization). The restriction of pairing to fully homologous chromosomes ensures a correct meiotic behavior, which otherwise would be altered due to the high level of homology that still exists among chromosomes from different wheat progenitors.

5 0
3 years ago
1. In the first step in the life cycle of a star, it is called a:
lbvjy [14]
I’m pretty sure it’s c. protostar
3 0
3 years ago
sha-ree had been ill for 5 days. When her mother took her to the doctor, the doctor decided not to prescribe an antibiotic. He s
garik1379 [7]
Because the antibiotic would not help stop the virus she would need something else.
4 0
3 years ago
Read 2 more answers
What is the meaning of monsoon​
prohojiy [21]

Explanation:

a seasonal prevailing wind in the region of South and Southeast Asia, blowing from the southwest between May and September and bringing rain (the wet monsoon ), or from the northeast between October and April (the dry monsoon ).

the rainy season accompanying the wet monsoon.

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2 years ago
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