Recent questions in Biology

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In a section through a plant, a student found a group of long, microscopic structures. The structures lacked end walls, cytoplasm and nuclei. Which identification and reason best matches the student’s

Sangie asked Dec 4, 2023

by Sangie

6.9k points

1 answer

1 vote

114k views

What is the main function of the endocrine system? the options are in the picture

Ecarrizo asked Dec 4, 2023

by Ecarrizo

6.1k points

2 answers

12 votes

214k views

What do all vertebrates and invertebrates have in common? A. They are prokaryotic. B. They are covered by an outer skeleton. C. They are multicellular. D. They are bilaterally symmetrical.

Nick Street asked Dec 4, 2023

by Nick Street

7.5k points

1 answer

17 votes

89.2k views

True or false. White rice is high in fiber.

Eki asked Dec 4, 2023

by Eki

6.4k points

1 answer

9 votes

204k views

A.hydrophobic tail B.hyrophobic head C.sodium-potassium pump D.ATP

Satpal Tanan asked Dec 4, 2023

by Satpal Tanan

7.4k points

1 answer

12 votes

207k views

When observing live organisms, the specimen is prepared with a drop of liquid on which a coverslip has been placed. This is called a .

OBV asked Dec 4, 2023

by OBV

6.7k points

1 answer

13 votes

172k views

Polysaccharides are composed of carbohydrate monomers called.

Edimshuffling asked Dec 4, 2023

by Edimshuffling

7.1k points

1 answer

9 votes

196k views

(1) Many organisms of the same species living in an area make up a population. (2) Populations in an area make up a community. (3) An ecosystem is all living and nonliving things in an area. (4) The living

Pietro Lorefice asked Dec 4, 2023

by Pietro Lorefice

6.2k points

1 answer

3 votes

200k views

What type of molecular movement requires cells to expend energy? A. facilitated diffusion B. active transport C. osmosis

Ankanna asked Dec 4, 2023

by Ankanna

6.4k points

2 answers

14 votes

25.0k views

What is the difference between point source and nonpoint source water contamination

Hirasawa Yui asked Dec 4, 2023

by Hirasawa Yui

6.1k points

1 answer

20 votes

2.5k views

Explain how natural selection allows beetles that are camouflaged to flousish in their environment?

Talg asked Dec 4, 2023

by Talg

6.7k points

1 answer

15 votes

189k views

What is the first of protein synthesis?

Overthetop asked Dec 4, 2023

by Overthetop

6.9k points

1 answer

1 vote

122k views

Explain how manipulation of light waves can cause reflection, refraction, diffraction and absorption; and describe how different media (solid, liquid, or gas) affect wave behavior.

Harunahi asked Dec 4, 2023

by Harunahi

6.2k points

1 answer

24 votes

161k views

If a period contains many fossils of species that previously weren't found, what type of event most likely took place on Earth?Natural selectionMass extinctionPunctuated evolutionPopulation equilibrium

Mickaelw asked Dec 4, 2023

by Mickaelw

6.4k points

1 answer

4 votes

233k views

How does fertilization occur?A. Sperm enters the uterus through the cervix to fuse with an egg.B. An egg is released from the ovary and passes through the cervix to fuse with a sperm.C. Sperm enters the

Clp asked Dec 4, 2023

by Clp

6.7k points

1 answer

2 votes

163k views

Which type of human activity increases the amount of nitrogen in bodies of water

Ochie asked Dec 4, 2023

by Ochie

6.6k points

1 answer

3 votes

4.3k views

Why are abiotic organisms important part of an ecosystem?

Tyler Jandreau asked Dec 4, 2023

by Tyler Jandreau

6.6k points

1 answer

1 vote

227k views

Animal and plant cells can someone help me pls for science class

Yann VERY asked Dec 4, 2023

by Yann VERY

6.5k points

1 answer

17 votes

13.5k views

If the kidney cells of an animal have 12 chromosomes, the sperm cells would have how many chromosomes

Navra asked Dec 4, 2023

by Navra

6.8k points

1 answer

2 votes

198k views

What is radial symmetry?right and left halvesbody coveringsno body cavityequal halves

Akila asked Dec 4, 2023

by Akila

6.4k points

1 answer

1 vote

60.6k views

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