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Bad White [126]
3 years ago
13

which definition goes where idefk I’ll give u brainlist biology teacher driving me nuts omfmsjajhahwahsn

Biology
1 answer:
Zigmanuir [339]3 years ago
3 0
Primary succession- soil needs to be rebuilt
Secondary succession- soil is still present
Pioneer succession- first species to arrive at an uninhabited environment

Lmk if this helped!
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1. A brown mink crossed with a silver-blue mink produced all brown offspring. When these F1 were crossed among themselves, they
emmasim [6.3K]

Answer:

The correct answer is -

Parental - BB and bb

F1

Genotypes: 100% Bb  

F2

Genotypes: ¼ BB, ½ Bb, ¼ bb

Explanation:

It is given that a cross between a brown and a silver-blue mink produces all brown offspring and it is only possible if brown is dominant over silver blue in true breed cross, assume brown trait is represented by B and silver-blue is b then parents will be

BB and bb

   B    B

b  Bb   Bb

b  Bb   Bb

Cross between F1 individuals: Bb cross Bb

gametes : B, b and B, b

   B     b

B  BB   Bb

b   Bb    bb

the genotype of F2 : 1:2:1 = ¼ BB, ½ Bb, ¼ bb

3 0
3 years ago
¿Qué significa que cada receptor responde a un estimulo?
vitfil [10]

Answer:

comunicación

¿Es esto lo que estás buscando?

8 0
3 years ago
A.<br> B.<br> C.<br> D.<br><br> Astronomy
Elis [28]

Answer:

127min

Hope that helped

5 0
3 years ago
A set of steps used to collect information and to<br> test a hypothesis is called
liq [111]

Answer:

I believe its Scientific Method

Explanation:

4 0
3 years ago
Where are the cells located that make up the SA node
nikklg [1K]

Answer:

in the wall of the right atrium of the heart.

Explanation:

The sinoatrial node (SA), consisting of spindle-shaped cells, initiates the electrical activity of the heart. From its location in the right atrium in proximity to the superior vena cava, the electrical activity spreads to the atria, whose cells are larger than those of the SA.

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3 years ago
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