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777dan777 [17]
4 years ago
14

Assessment timer and count Assessment items Item 5 At each step, a dichotomous key involves how many choices?

Biology
2 answers:
mote1985 [20]4 years ago
8 0

Answer:

A dichotomous key involves two options.

Explanation:

Dichotomous keys are a type of identification key and are tools that allow the identification of the names of taxonomic groups belonging to a group of organisms, usually in a certain geographic or ecological region. Through systematic descriptions, this type of key works by offering two options in each step and choosing one of them determines the next step.

The use of identification keys leads the user to know not only the different characteristics of the species, but also helps to understand the reasoning used in the classification of these species.

natita [175]4 years ago
6 0

Answer:

Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts". Therefore, dichotomous keys always give two choices in each step

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What are substances made in a chemical reaction?
alexandr402 [8]

Answer:

A chemical reaction is the process in which atoms present in the starting substances rearrange to give new chemical combinations present in the substances formed by the reaction. These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

Explanation:

4 0
3 years ago
I GIVE A BRAINLYS Which process involves informal investigations done by native peoples as they use nature to meet their needs?
quester [9]

The process which involves informal investigations by native peoples to meet their needs is the native science discovery

Native science incorporates traditional knowledge and Indigenous perspectives, while today, non-Indigenous scientific approaches are commonly recognized as Western science. These two together is now embraced to meet people's needs

It has helped provide new ideas and dimensions on climate change, specific animal population declines, and sustainable harvesting practices.

<h3>What is science?</h3>

Science is defined as the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment processes

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brainly.com/question/17577358

5 0
2 years ago
If Darwin knew of Mendel’s work, how might it have influenced his theory of evolution? Do you think this would have affected how
Viktor [21]

Answer:

See explanation

Explanation:

Darwin proposed his theory of evolution on the premise of natural selection. According to him, organisms which possess favourable characteristics which enable them to survive in their environment are more likely to survive and reproduce, passing on these favourable characteristics to their offsprings.

According to Mendel, the unit of inheritance passed on from parents to offspring are genes. Hence Darwin's factors are Mendel's genes.

If Darwin knew of Mendel's work. It might have influenced his presentation of the idea of passing on favourable characteristics from parents to offspring in the light of genetics.

This would have made Darwin's work to have more empirical backing hence making it more widely accepted.

8 0
3 years ago
DNA replication occurs during which phase of the eukaryotic cell cycle?
wariber [46]

In eukaryotic cells the DNA can be found in the nucleus mainly. so DNA replication takes place in the nucleus during the S phase of the cell cycle.

Also in eukaryotic cells there are mitochondria and chloroplasts (plants) and these have circular DNA and they also get replicated (according to their own mechanism).

Prokaryotic cells don't contain a nucleus. They do not contain DNA in the cytoplasm and thus the DNA replication will take place here.

I really hope this helps!

3 0
3 years ago
predict the shape of a population growth curve for a game park in which a male and female rhinoceros are released
FromTheMoon [43]
Nearly flat. Rhinos don't really reproduce rapidly.
7 0
3 years ago
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