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Wittaler [7]
4 years ago
6

How does a dichotomous key help you identify unknown specimens based on their traits

Biology
1 answer:
Dahasolnce [82]4 years ago
4 0
It helps you narrow down the possibilities based on their traits because it'll give you a wide open trait and if your specimen has that trait then it'll go on to the next one and so on eventually you'll be down to only one or two species. <span />
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The heart is an example of which level of organization within an organism
RideAnS [48]

Answer:

The correct answer is - organ level organization.

Explanation:

The heart is made up of various types of tissues that include muscle tissue, nerve tissue, and blood tissue. All these types of tissues are organized to form the organ level organization which makes the heart is an organ.

Tissues are made up of cells and organs are made up of tissues and various organs combine together to do a specific function, this is an example of an organ system.

Thus, the correct answer is - organ level organization.

8 0
3 years ago
If enough heat is added to a gas what would most likely happen?
pochemuha

Answer:

When you heat a gas, both its vapor pressure and the volume it occupies increase. The individual gas particles become more energetic and the temperature of the gas increases. At high temperatures, the gas turns into a plasma.

Explanation:

4 0
3 years ago
20 POINTS
charle [14.2K]
Cell wall - Adds structural support to the cell. Holds the cells together
Cell membrane - Serves as a barrier to the cell and allows more nutrient and molecules to move in and out of the cell without letting things that can harm the cell in. 
Outer membrane - Serves the same basic functions a the cell membrane. (Depending on how complicated the class your in is, I would visit this website for more information... https://en.wikipedia.org/wiki/Bacterial_outer_membrane )
Pili - Help the cell move and attach the bacteria to surfaces are other cells. 
DNA - Contains the genetic instructions on what the cell can physically do, operate, and reproduce. 
Flagellum - Helps the cell move. It kind of acts like a propeller for the cell so that it can move around. 
8 0
3 years ago
Four critical nutrients essential to sustain living organisms are?
Sophie [7]

Answer:

carbohydrates, proteins, fats, vitamins, and minerals

Explanation:

7 0
3 years ago
Read 2 more answers
How do global systems interact to affect ecosystems?
miskamm [114]

is a functional unit that results from interactions of abiotic, biotic, and anthropogenic components and are a combination of interacting, interrelating parts that form a unitary whole.  Ecosystems vary in size.  They can be as small as a puddle, or as large as the earth itself.  Basically, any living and non-living things interacting together can be considered an ecosystem.  Within each ecosystem, there are habitats that vary in size.  A habitat is a place where a population lives.  A population is a group of living organisms of the same kind living in the same place at the same time.  Natural ecosystems are made up of abiotic factors such as air, water, rocks, and energy and biotic factors such as plants, animals, and microorganisms.

I know just that

6 0
3 years ago
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