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Lelechka [254]
3 years ago
6

a brown dog is crossed with two different black dogs. The first cross produced only black dogs and the second cross produces equ

al numbers of black and brown dogs. What is the genotype of the brown dog? the first black dog? the second black dog?
Biology
2 answers:
Pani-rosa [81]3 years ago
5 0
B: brown
B:black
brown dog: bb
First black dog: BB
Second black dog: Bb

Black is dominant
Anettt [7]3 years ago
5 0

Answer:

black is op

Explanation:

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loris [4]

Answer: B

Explanation: Hope it helps

7 0
3 years ago
Carbon dioxide is used by producers (autotrophs) to make their food which is sugar. True or false?
natima [27]

Answer:

Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy

Explanation:

4 0
2 years ago
A population of kangaroos is growing at a rate of 2% per year, compounded continuously. If the growth rate continues, how many y
antoniya [11.8K]

Answer:

The correct answer is 20 years.

Explanation:

It is given that the growing rate is 2% or 2/100 = 0.02

This rate got increased to 150%

The formula for exponential growth is:  

A = Pe^rt

Let the initial population be 100%

150 = 100.e^0.02*t

3/2 = e^0.02t

1.5 = e^0.02t

After taking log from both the sides:  

ln(1.5) = 0.02t * ln(e) [ln(e) = 1]

ln(1.5) = 0.02t

t = ln(1.5)/0.02

t = 20.27

Thus, it will take around 20 years for the size of the population to reach 150 percent of its present size on the basis of the exponential growth function.  

7 0
3 years ago
Read 2 more answers
"under what internal conditions does air tend to flow into the lungs"
SIZIF [17.4K]
Increase in thoracic volume, decrease in pressure

4 0
2 years ago
An organic compound is one that:
DiKsa [7]
Hey! I believe its (A) contains carbon in all living things
8 0
3 years ago
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