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igomit [66]
3 years ago
8

The exchange of oxygen, food, and waste between mother and fetus occurs at.....

Biology
1 answer:
Luba_88 [7]3 years ago
8 0
The placenta and the umbilical cord 
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If round pea shape is dominant to wrinkled pea shape, which of the following genotypes
Kobotan [32]

Answer:

C. rr

Explanation:

The dominant genotype will always be denoted by the capital version, or in this case R.

The round pea shape is dominant to the wrinkled pea shape, which means that, in the Punnett Square, the combinations of RR, Rr, rR, will all come out to be round pea shape.

The last box, rr, would be the one that gives the wrinkled phenotype.

In this case, by ratio, wrinkled phenotype show up 25%

                    by ratio, round phenotype show up 75%.

7 0
3 years ago
Make ( The scissors broke) into a compound sentence
dlinn [17]

Answer:

Explanation:

Our car broke down. ...

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4 0
3 years ago
How would you explain the process of rock changes​
sergiy2304 [10]

Answer:

cooling of lava or magma makes igneous

sedimentary rock is formed when sediment gets deposited, and is hardened by compaction and cementation.

any rock can turn into a metamorphic rock when exposed to extreme heat and pressure

5 0
2 years ago
!!!!!!H-E-L-P!!!!!!!!!! How do index fossils help scientists establish how old rocks and other fossils are? In your answer, incl
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safari could help, learnt this a few years ago, totally forgot!!

Explanation:

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What are 3 properties that mitochondria and chloroplasts share with prokaryotes?
tamaranim1 [39]
1. Contains their own DNA
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3. Reproduce by fission, and they are independent from cells.
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2 years ago
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