Which of these is not an organism a.tree b. human c . bacteria d. virus

Answers

Answer 1

Answer: Actually it may be a virus because a virus is not considered to be alive or dead. And an organism is any living thing and a tree is living so a tree is not the answer.

Answer 2

Answer: The answer is (a. tree)

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Which of the following series is organized in successive steps according to the levels of organization used by ecologists?A.population -> ecosystem -> communityB.species -> ecosystem -> populationC.species -> community -> biosphereD.population -> community -> ecosystem

Answers

Starting at least level up to the largest as organized by ecologists, see the chart below.

Answer: option C) species -> community -> biosphereD

Explanation:

Species refers to closely related organisms (plant or animal). When different species of organisms live together in a habitat where they feed on one another and become codependent on one another, a COMMUNITY has been formed.

A BIOSPHERE, however is composed of many ecosystems i.e different species of plants, animals and microorganisms relating with their environment. Thus, a biosphere = Communities + environment

Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?

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The answer is a eukaryotic cell.
According to endosymbiotic theory, the result from the endosymbiosis of a cell with a cyanbacterium is a eukaryotic cell that can produce its own food. Eukaryote refers to the organisms whose cells have a nucleus and other organelles are enclosed within membranes.

What are three terms used to describe organisms such as cows

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Herbivores and livestock. Herbivores because the eat grass and they are considered live stock.

caterpillars and grasshoppers and beetles

All of the following are ways that neutrophils can directly or indirectly kill cells except __________.

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Answer:

MACs, or membrane attack complexes, are used in the complement system.

Explanation:

Hope this helped

Which of the following is an example of a role programmed cell death plays in maintaining homeostasis? 1) preventing crossover during meiosis
2) preventing self-fertilization in plants
3) promoting conjugation of DNA in bacteria
4) promoting tissue growth in body cells

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4. promoting tissue growth in body cells

promoting tissue growth

How does overtillage harm soil?

Answers

It is a true fact that over tillage harm the soil. Over tillage actually increases the intake water capacity of the soil. As the intake capacity of the soil increases, there is every chance that the soil will become compacted. This happens as the broken up elements of the soil start coming together and results in compaction.

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