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1 year ago

Why do hens scream in the morning ?

Biology

2 answers:

stellarik [79]1 year ago

7 0

Because they are annoying

aev [14]1 year ago

4 0

<h2>♨ANSWER♥</h2>

Chickens are vocal creatures, and if you're a chicken keeper, you might notice that your flock is particularly noisy in the morning. Chickens can make noise in the morning for a few reasons, including; they want to get out of the coop for food and water, they've laid an egg, or because they're vocalizing to each other.

☆...hope this helps...☆

_♡_mashi_♡_

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The stomach is held in place by a variety of _______.

cupoosta [38]

I guess the stomach is held in place by a variety of Muscle cells, Epithelial cells, and connecting tissues; so the answer is: all of the above.

8 0

2 years ago

In a plant, leaf color and leaf shape are controlled by two linked genes Leaves of the wild-type plant are red. A recessive muta

Brrunno [24]

Solution :

Red is dominant over the white leaves and pointed is dominant over smooth.

Red = R , white = r

Pointed = P , smooth = p

Red, pointed x white,smooth ------ Parents

RRPP rrpp

RP rp ----------------- Gametes

RrPp -------- $F_1$

(red, pointed)

When this $F_1$ is test crossed,

RrPp x rrpp ---- $F_1$ test cross

Gametes → rp

RP ---------- RrPp - red, pointed - 36 parental type

Rp ---------- Rprp - red, smooth - 14 re- combination

rP ----------- rrPp - white pointed - 10 re- combination

rp ----------- rrpp - white, smooth - 40 - parental type

Total = 100

As this ratio is deviating from 1:1:1:1, it indicated the two genes are linked.

Linkage strength = percentage of crossing over = map distance between the genes.

Percentage crossing = recombination frequency = percentage of recombination.

Recombination frequency $=\frac{\text{total no. of recombination}}{\text{total no. of progeny}}\times 100$

$=\frac{14+10}{100} \times 100$

= 24 %

= 24 map units

4 0

2 years ago

Why are the fields of science, technology, engineering, and math important in the modern world?

Katyanochek1 [597]

Explanation:

This is 21st century .In this time our society as well as all of the world had become advanced and modern.So,in this time if we started to work without any technology then while working we need more manpower and our time will be loss.Science ,technology,engineering and maths play important role in modern world d .It helps in sustain able development and helps any country to be self dependent and makes profit by which Nations will be developed and it helps to win the future.
Hope is useful for you.have a nice day.

4 0

2 years ago

The immediate energy system (ATP-PC) relies on:

swat32

Answer:

c. the high-energy phosphates stored in muscle cells

Explanation:

Phosphocreatine (PC) or creatine phosphate is a compound rich in energy. It has energy stored in it which can be used to phosphorylate ADP into ATP. The phosphocreatine is stored in muscle cells when muscles are not working. The produced ATP serves as an energy source for muscle contraction. The creatine produced during ATP production is phosphorylated again into PC using ATP when muscles are resting.

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2 years ago

Select the best answer for the question.

Anna71 [15]

Answer:D

Explanation:

Because the plant would get alot of light

The plant needs carbon dioxide to live and moderate temp because its not to hot and not to cold

7 0

2 years ago