BIOLOGY MIDDLE SCHOOL

Why don't cyanobacteria and bacteria reproduce by mitosis?1. Because they are not organisms
2. They are not cells
3. They do not contain chromosomes
4. All of the above

Answers

Answer 1
Answer:

it is 3 THEY DO NOT CONTAIN CHROMOSOMES HOPE THIS HELPS

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Can anyone tell me ideas of science pprojects? Thanks!

Answers

are you looking for projects like experiments? 
try the theory if the acid of a potato out weighs that of a regular household battery

What is a organelle

Answers

An organelle is a functional subunit enclosed by a membrane within a eukaryotic cell. The name "organelle" means little organ and the name comes from the analogy with organs: what an organ is to a body, an organelle is to a cell. So, the organelle is the organ of the cell. There are different types of organelles in cells, such as nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum, chloroplasts, vacuoles, and they all have a different function. For example, the nucleus is the organelle which main function is control of cell activities. Mitochondria are organelles which main function is energy production.

Explain why some organisms can be both a primary and secondary consumer

Answers

Some organisms can be both primary and secondary consumers depending on their position in the food chain. There are some organisms that are omnivores-- an organism that consumes both plants and animals. A perfect example of an omnivores are humans. Humans both consume plants and meat of animals. They can be primary consumers when they directly eat vegetables and fruits. They can also be secondary consumers when they consume the meat of a cow, wherein the cow is the primary consumer who eats plants. 
Because the organisms could be omnivores, meaning that they consume the producers (primary) and also feeds on the organisms in the primary sector (secondary)

How does earth's atmosphere support life? ?and I want to know my
answer is correct or no and why?

Ans : 1) earth atmosphere contains nitrogen and oxygen which is necessary in our life .

2) it contains gases that insulate earth.

3) it has ozone layer that protect earth from ultraviolet radiation which can damage genetic organisms. .

Answers

I believe that the answer would be either 1: earth atmosphere contains nitrogen and oxygen which is necessary in our life. 2: it has the ozone layer that protect earth from ultraviolet radiation which can damage genetic organisms.

Please help pls pls pls The scientific name of the Asian elephant is Elephas maximus. What does this name show about the organism's classification?A The genus is Elephas.


B The family is maximus.


C The phylum is Elephas.


DThe kingdom is maximus.

Answers

The answer is A because the genus of the Elephas Maximus is in fact Elephas and very similar to the beginning of the word Elephant

The first organisms on Earth were mostly likely ________ cells.prokaryotic
Or
eukaryotic?

Answers

Answer: Prokaryotic. Because their unicellular.

Answer:

Prokaryote

Explanation:
Other Questions
Which of the following is not one of the main three parts of a nucleotide?
Which of the following statements is true of offspring from organisms that reproduce asexually? A. Offspring are genetically identical to the parent. B. Offspring are genetically different from the parent. C. Offspring have no features like the parent. D. Offspring have some features like the parent.
Where does translation take place?
Where do most algae live?