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3 years ago

Please help me with this question

Biology

1 answer:

Marrrta [24]3 years ago

6 0

Eukartyotic cells are found as bacteria or archaea. They are usually unicellular organisms. Has no nucleus. Has a very small cell size.

Prokaryotic cells are found in plants and animals. They are multicellular. Has a nucleus. And has a much bigger cell size.

They can have many of the same organelles, but prokaryotic cells are usually more advanced. They are both forms of life. They are both cells.

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Which best describes the role of a primary consumer in a food web?

Dmitry_Shevchenko [17]

Answer:

they make food from sunlight and provide consumers in the food web with nutrients

Explanation:

I hope this helps! good luck on your homework or test!

3 0

2 years ago

Which of the following species of fish have cartilaginous skeletons?

kirza4 [7]

What are the options?

5 0

2 years ago

Match the bacterial shape with its description

slega [8]

Answer:(A) a cylindrical shaped bacteria exhibiting a variety of rod shapes.- pleomorphic.

B) A bend, or 'coma shapped' rod - Vibrio.

C) Long, curved, flexible rod - spirochete.

D) Long, curved rod - Spirillum.

E) A small, cylindrical shaped bacteria with a cocci appearance - coccobacillus.

F) Cylindrical shape - Rods.

G) Round shape - Coccus.

Explanation:

A). A pleomorphic bacteria is the one which is capable of changing it's shape, mode of nutrition and reproduction.

B). Vibrio is the genus of gram-negative bacteria. It posses a curved comma shape. This is responsible for foodborne infections.

C). Spirochete is a helical, rod shaped bacteria. It posses flexible cell wall and a mechanism that helps in motility.

D). Sprillium is a gram-negative bacteria. It has a rigid spiral structure. It has a long curved rod. It is found in the stagnant water and can also be responsible for causing water borne diseases.

E). Coccobacillus is a bacteria which has shape which is in between cocci and rod. These are very short rods which are mistakenly consider as cocci.

F). A bacillus or bacilliform bacteria is a rod shaped bacteria which can be found in different taxonomic groups of bacteria. These have cylindrical shape.

G) A coccus is the shape of the bacteria which can be consider as either spherical, ovoid or round in shape.

6 0

3 years ago

A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The stude

Galina-37 [17]

Answer:The timing of the cricket's depends on the temperature of the box

so the answer should be

timing of the cricket's chirps

Explanation:Hi!

There are a few types of variables in these types of experiments. They are independent, dependent, and controlled.

The independent is the one changed by the scientist, or in this case, the temperature. The controlled is the things that remain constant through every case, and the dependent is what is being observed, seeing if it changes through the altercation of the independent variable.

In this case, what is being observed is the timing of a cricket's chirps, because it is being watched whether or not temperature affects it.

Therefore, your answer is the third choice, or the timing of the cricket's chirps.

Hope this helped!

4 0

3 years ago

Read 2 more answers

Irish Setters are type of dog. In Irish Setters, the allele for red coat color (R) is dominant over the allele for brown coat

GREYUIT [131]

Answer:

2 Rr, 2 rr. (2:2 ratio)

Explanation:

The offspring will be Rr Rr and rr rr.

Since the red coated parent is heterozygous the recessive gene will have more of a chance to show when bred with the recessive brown Irish Setter.

<em>Hope this is correct. Have a great day.</em>

7 0

2 years ago