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Leto [7]
3 years ago
13

What evolutionary milestone made it possible for more complex, multicellular organisms to exist?

Biology
1 answer:
Contact [7]3 years ago
7 0
The appearance of eukaryotic cells made it possible <span>for more complex, multicellular organisms to exist.
The difference between the eukaryotic cells and the </span> prokaryotic<span> cells  (bacteria and archaea) is the </span>membrane-bound organelles, the nucleus, which contains the genetic material. The <span>eukaryotes cells are responsible for forming multi-cellular organisms, which consist of many kinds of </span>tissue<span> made up of different </span>cell types<span>.</span>
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On-center cells: A. are excited by light that falls in the periphery of their receptive field. B. are excited by light that fall
Elena L [17]

Answer: B) are excited by light that falls in the center of their receptive field.

Explanation:

There are two types of bipolar cells present in the retina which are differentiated on the way the centres of their receptive fields respond to light. The names of bipolar cells are ON-centre and OFF-centre.

If a light fall at the centre of the receptive field of a bipolar cell, it will experience an exciting effect on that cell, resulting in it being depolarized, it is an ON-center cell.

Hence, the correct option is B.

6 0
3 years ago
Why is carbon the backbone of liveing things
Lyrx [107]
Because of its ability to form large complex and diverse molecules
3 0
3 years ago
¿Que aspecto debemos considerar para desidir el uso mas adecuado de lagunos materiales en la satisfacción de necesidades humanas
umka21 [38]

Answer:

El efecto del material sobre el medio ambiente es el aspecto a considerar.

Explicación:

Se debe verificar la estructura química del material o de qué elementos se forma un material para conocer el efecto de estos materiales en la salud y el medio ambiente de las personas. Si los materiales no afectan el medio ambiente y la salud humana, el ser humano puede utilizarlos para satisfacer sus necesidades. Si el material se forma a partir de elementos tóxicos o elementos que no se descomponen por microbios, entonces este tipo de materiales son peligrosos tanto para la salud humana como para el medio ambiente porque estos materiales contaminan el medio ambiente y debido a esta contaminación la salud humana se ve gravemente afectada.

3 0
2 years ago
Identifying Forms of Energy
Alexxandr [17]

Answer:

A piece of fruit hanging from a tree - kinetic energy

Lightning produced during a storm - electrical energy

Radio waves transmitted from a tower -  radiant energy

sand on the beach feels warm -  thermal energy

a box moving along a conveyor belt - gravitational potential energy

Explanation:

hope this helps

6 0
3 years ago
What does varying locally mean?
svlad2 [7]

Answer:

<em>Differently in a local area</em>

Explanation:

HOPE THIS HELPS Please mark as brainiest!

8 0
3 years ago
Read 2 more answers
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