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sergey [27]
3 years ago
7

Why are platypus,brown bear,lion,and house cat thought to be related to each other?

Biology
1 answer:
SOVA2 [1]3 years ago
3 0

The platypus , brown bear , lion and house cat are related cause they are all mammals , but the lion and house are the same family .. hope this helps :)
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Evolution of the inner ear of humans can be traced back to the___system of fish
melomori [17]
The answer to your question is 
\boxed {\bf lateral~line}


\bf Explanation:
The lateral line system is found in fish and is used to feel a vibration, movement, and pressure in the water. These senses are derived from the epithelial tissue which reacts to the movement near the fish.

Hope this helps!
8 0
3 years ago
Considering the Mendelian traits tall (D) versus dwarf (d) and violet (W) versus white (w), consider the crosses below and deter
Artyom0805 [142]

Answer:

DDWw x Ddww

DdWw x DDww

DDWw x DDww

Explanation:

D for tallness

d for dwarfness

W for violet

w for  white

For Parental Plants that has

tall, violet x tall, white

 The representation will be

DDWW × DDww      (We the apply the mendelian crossing)

This will yield offsprings with the following trait

DDDD × DwDw

DDDD × DwDw

DWDW x WwWw

DdWw x ddww

Ddww x ddWw

DdWw x DdWw

DDWw x ddww

From the above Offsprings

1/2 tall, white and 1/2 tall, violets offspring are

DDWw x Ddww

DdWw x DDww

DDWw x DDww

7 0
3 years ago
Which element is in group 2 period 2
solniwko [45]

Answer:

??

Explanation:

6 0
2 years ago
Read 2 more answers
Yeast is used in making bread. Explain why?
Margarita [4]

Explanation:

<h2>Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. This is called multiplication. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture.</h2>
6 0
3 years ago
A rooster with gray feathers is mated with a hen of the same phenotype. Among their offspring, 15 chicks are gray, 6 are black,
m_a_m_a [10]

Answer:

Alleles for feather colour exhibit incomplete dominance or co-dominance.

50% gray offspring + 50% black offspring

Explanation:

<em>It means that the alleles for feather colour in the hen exhibit incomplete dominance or co-dominance over one another.</em>

Assuming the allele for white colour is B, white colour will be b while the heterozygote Bb gives the gray phenotype.

Gray rooster + gray hen = 15 gray chicks, 6 black chicks and 8 white chicks.

15:6:8 is roughly 2:1:1 which is phenotypic ratio obtainable from crossing two heterozygous individuals as pointed out by Mendel.

Bb   x   Bb = 1BB, 2Bb, and 1bb

Crossing the gray rooster (Bb) with a black hen (bb):

Bb   x   bb = Bb, Bb, bb, and bb

          = 2Bb (gray):2bb (black)

50% of the offspring will be gray while the remaining 50% will be black.

7 0
3 years ago
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