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il63 [147K]
3 years ago
11

Certain foraminifera (shelled protozoa) have inconsistent fossil records. Which mode of evolution do they represent?

Biology
2 answers:
Setler [38]3 years ago
7 0
Punctuated equilibrium is a theory biology<span> which proposes that once </span>species<span> appear in the fossil record they will become stable.
</span>

So according to above explanation

<span>C. puncated equilibrium</span> , is the correct answer

ratelena [41]3 years ago
5 0

Answer:

Punctuated equilibrium

Explanation:

Punctuated equilibrium is a concept in biology which suggests that the population will become constant once a species appears in  fossil record, indicating little evolution throughout its geological history.

Punctuated equilibrium is strongly opposed to phyletic gradualism,which usually belief that evolution normally occurs universally and through the steady and incremental transformation of the whole lineages

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Natasha2012 [34]

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A vascular plant is any one of a number of plants with specialized vascular tissue. The two types of vascular tissue, xylem and phloem, are responsible for moving water, minerals, and the products of photosynthesis throughout the plant. As opposed to a non-vascular plant, a vascular plant can grow much larger.

Explanation:

5 0
2 years ago
How does the digestive system of poultry vary from other animals?
Vinvika [58]

Answer:

They digest without the use of teeth.

Explanation:

The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.

5 0
3 years ago
Can a catalyst be used over and over again?
Diano4ka-milaya [45]
Yes they can because the catalyst does not take part in the chemical reaction and remains unchanged after the reaction has ended.  Biological catalysts are known to be recycled by the bodies in which they work.
4 0
3 years ago
Type the correct answer in the box. Spell all words correctly.
saul85 [17]

Answer:

Greenhouse gases

Explanation:

Teddy is working for a nonprofit organization that urges people to stop using products with CFCs. Through this Initiative, Teddy's organization hopes to reduce the concentration of greenhouse gases in the atmosphere.

Greenhouse gases deplete the ozone layer thereby causing global warming as a result often increase in the intensity of Sun rays reaching the earth.

Example of greenhouse gases include chlorofluorocarbon, nitrogen, water vapor etc

3 0
3 years ago
Consulte los tres avances cientificos mas importantes,a traves,de la historia para la humanidad y el por que
tino4ka555 [31]

La respuesta correcta para esta pregunta abierta es la siguiente.

Los tres avances científicos más importantes, a través de la historia para la humanidad son los siguientes.

1.- El descubrimiento de la penicilina.

El científico Inglés Alexander Fleming fue el descubridor de la penicilina en septiembre de 1928. Este descubrimiento revolucionó la historia de la humanidad.. Antes, millones de personas morían debido a las infecciones en el cuerpo humano. La penicilina resultó ser el antibiótico más efectivo descubierto hasta el día de hoy y ha salvado millones de vidas humanas desde su descubrimiento.

2.- El descubrimiento de la electricidad.

¿Te puedes imaginar un día de tu vida sin luz?

Bueno, pues así vivió la gente toda la vida hasta el siglo XVIII, cuando comenzó a entenderse y desarrollar mejores maneras de producir electricidad. Prácticamente todos los aparatos electrodomésticos, de laboratorio, hospitales, en oficinas, escuelas y demás, funcionan con electricidad. Sin ella, nuestra vida no habría producido los avances que conocemos el día de hoy.

3.- El internet.

La revolución de este siglo.

El internet nos mantiene conectados todo el tiempo a cualquier parte del mundo. Con el internet podemos hacer miles de cosas desde nuestras computadoras y teléfonos celulares, que hasta hace 15 años eran inimaginable.

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3 years ago
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