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2 years ago

Fish spend their entire lives under water. How does the respiratory system of a fish compare with that of a human

Biology

1 answer:

qwelly [4]2 years ago

4 0

Answer:

Most fish use gills for gas exchange instead of lungs.

Explanation:

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A negative tropism is when a plant grows towardaway from a stimulus.

klasskru [66]

A negative tropism is when a plant grows away from stimulus

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3 years ago

Low iodide status during the first trimester of pregnancy may lead to

erastova [34]

The answer would be cretinism

Iodine is an element that vital for making thyroid hormone. Deficiency of iodine can cause hypothyroidism which can lead to growth retar..dation of the child inside the mother. This will cause the child develop a disease called cretinism. A child with cretinism will have a disturbance in growth and development.

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2 years ago

Cual es la teoria mas acertada de la creación del universo

notka56 [123]

La tierra nose la verdad

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2 years ago

Why is the interaction between predator and prey called a cycle

zavuch27 [327]

Predators are the ones who consume the prey and rely on them as a food source, while prey rely on predators to control their population.

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2 years ago

In cats, curled ears result from an allele, Cu, that is dominant over an allele cu, for normal ears. Black color results from an

just olya [345]

Answer:

Explanation:

Cross : ggCuCu X GGcucu --------Parents

F1 progeny : GgCucu

Two of the F1 cats mate :

Cross : GgCucu X GgCucu

Gametes :

Gg X Gg = GG, Gg, Gg, gg

Cucu X Cucu = CuCu, Cucu, Cucu, cucu

1/4 GG X 1/4 CuCu = 1/16 GGCuCu (black - curled ears)

1/4 GG X 2/4 Cucu = 2/16 GGCucu (black - curled ears)

1/4 GG X 1/4 cucu = 1/16 GGcucu (black - normal ears)

2/4 Gg X 1/4 CuCu = 2/16 GgCuCu (black - curled ears)

2/4 Gg X 2/4 Cucu = 4/16 GgCucu (black - curled ears)

2/4 Gg X 1/4 cucu = 2/16 Ggcucu (black - normal ears)

1/4 gg X 1/4 CuCu = 1/16 ggCuCu (gray - curled ears)

1/4 gg X 2/4 Cucu = 2/16 ggCucu (gray - curled ears)

1/4 gg X 1/4 cucu = 1/16 ggcucu (gray - normal ears)

Answer : (i). 9/16 black cats, curled ears; 3/16 black cats, normal ears; 3/16 gray cats, curled ears; and 1/16 gray cats, normal ears.

An F1 cat mates with a stray cat that is gray and possesses normal ears :

Cross : GgCucu X ggcucu

Gametes :

Gg X gg = Gg, Gg, gg, gg

Cucu X cucu = Cucu, Cucu, cucu, cucu

2/4 Gg X 2/4 Cucu = 4/16 GgCucu (black - curled ears)

2/4 Gg X 2/4 cucu = 4/16 Ggcucu (black - normal ears)

2/4 gg X 2/4 Cucu = 4/16 ggCucu (gray - curled ears)

2/4 gg X 2/4 cucu = 4/16 ggcucu (gray - normal ears)

Answer : (i). 1/4 black cats, curled ears; 1/4 black cats, normal ears; 1/4 gray cats, curled ears; 1/4 gray cats, normal ears.

6 0

3 years ago