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-BARSIC- [3]
3 years ago
7

Which organism has a central brain? A. hydra B. sponge C. flatworm D. fish

Biology
2 answers:
Orlov [11]3 years ago
6 0
The correct answer is D Fish ( someone asked me to explain why d is the answer) A sponge obviously doesn’t have a brain, a hydra is an organism and organisms don’t have brains ( hydra also doesn’t have eyes)
Lynna [10]3 years ago
6 0
The answer is D fish the other ones done have a Central brain hope this helps (DONT DELETE MY ANSWER) byeee
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3 0
3 years ago
As temperature increases the rate of enzyme activity increases until it reaches approximately 37 degrees Celsius. As temperature
UNO [17]

Answer: Option A

<u>Explanation:</u>

As temperature increases the rate of enzyme activity increases until it reaches approximately 37 degrees Celsius. As temperature increases beyond 37 degrees Celsius, the enzyme activity decreases. The activity decreases because the enzyme denatures.

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4 0
3 years ago
Hi, can you help me ..............
yuradex [85]

Answer:

C.)

Explanation:

5 0
3 years ago
un caballo negro de antepasados desconocidos fue apareado con cierto numero de yeguas de color rojo deraza pura, estos apareamie
konstantin123 [22]

Pregunta completa: un caballo negro de antepasados desconocidos fue apareado con cierto numero de yeguas de color rojo de raza pura, estos apareamientos dieron 20 descendientes de colo rojo y 25 de color negros.

A) cual de dichos caracteres fenotipicos es mas probable que este causado por un homocigoto recesivo?

B) segun su hipotesis cuantos individuos de cada clase habrian esperado

Answer:

A) El color rojo es causado por un genotipo homocigota recesivo

B) Se habrían esperado 22.5 individuos negros y 22.5 individuos rojos, que juntos sumarian un total de 45 individuos.

Explanation:

El desarrollo del problema se encuentra disponible en el archivo adjunto

Download pdf
3 0
3 years ago
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