I'm so stuck on these questions. Please help ??

Biology

1 answer:

LuckyWell [14K]4 years ago

5 0

1. Carolus had expanded and developed a classification system of all species and types of organisms that were known in the 18th century. " A French naturalist names Lamarck" suggested that all the known organisms evolved toward perfection and complexity.

2. Lyell inferred the same changes happened in the past. Uniformitarianism merges and combined Hutton's ideas of gradual with Lyell's ideas and observations that changes a constant rate.

3. Gradualism is a theory or view of speciation that proceeds small, cumulative steps when time goes on rather than by major changes or others.

4. That's because evolution happens and develop hat changes the environment to the driving force of evolution. If the environment was fixed, the same biological that work today would continue to work to tomorrow and the continuing days.

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Place the following in the correct order as they occur in CELL RESPIRATION.

Goryan [66]

Electrons and h+ ions pop off and are picked up by NADH.
1 C is stripped from 3-C PGA and makes Co2.
Coenzyme A attaches to 2-C molecule making Acetyl Co-A.
Resulting 3 C molecule is stabilized BEFORE entering the mitochondria.
Acetyl Co-A enters mitochondria and drops off 2-C molecules.
In cytosol, 6-C glucose and 2 ATP split into two 3-C molecules (glycolysis).
2-C molecule combines with 4-C molecule and breaks into two 3-C molecules
Krebs cycle spins twice; each time stripping 1 carbon to make Co2 as a by-product.
With each cycle of Krebs, electrons and H+ ions pop off, are picked up by NADH and FADH2 and taken to ETC
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3 years ago

Which characteristics are necessary for a society to be considered a civilization?

jek_recluse [69]

Answer:

The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.

Explanation:

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3 years ago

Read 2 more answers

Question 1 of 10

padilas [110]

According to the research, the correct option is B. A <u>theory</u> is the element of the scientific process that would include the greatest amount of information about living things.

<h3>What is a theory?</h3>

It is a set of ideas or proven hypotheses that explain some phenomenon studied or a scientific description based on a set of observations or experiments.

In this sense, it is a logical system that is established from observations, axioms and postulates, and is formed by the set of concepts, propositions and definitions that are related to each other with the aim of explaining the given phenomenon.

Therefore, we can conclude that according to the research, the correct option is B. A <u>theory</u> is the element of the scientific process that would include the greatest amount of information about living things.

Learn more about a theory here: brainly.com/question/845963

#SPJ1

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2 years ago

What is the greenhouse effect

Rasek [7]

Answer:

the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.

Explanation:

I think it can be incorrect also so refer to Science teacher also. also.

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3 years ago

Cytotoxic T cells can attack target cells with which of these chemical weapons?

GenaCL600 [577]

Answer:

secrete a cytokine that triggers apoptosis

Explanation:

Cytotoxic T cells secrete granzymes and perforins when targeting cells. Additionally they secrete cytokines such as IFN-, TNF-α and TNF-β that act to activate macrophages and help kill infected cells.

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3 years ago