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Ivan
3 years ago
14

What is a digestive system

Biology
2 answers:
Wittaler [7]3 years ago
5 0
The digestive system is the group of organ that convert food to energy.
Inga [223]3 years ago
4 0
A digestive system is a part of the body that processes food into energy

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What is soil erosion?
Roman55 [17]

Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. Therefore, this is the layer that farmers want to protect for growing their crops and ranchers want to protect for growing grasses for their cattle to graze on.

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3 years ago
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A scientist helps a colleague do a better expirement by:
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A scientist can help their colleague do a better experiment in a few ways. For one, if it is an experiment on color or texture, They could tell you how it feels or looks from another persons perspective, not just your own.
4 0
2 years ago
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A forest has two groups of plants that appear to be very similar both phenotypically and genotypically. The major difference is
Gennadij [26K]
The basics would be that you'd need to find out if they could exchange genetic information. If not, they couldn't be considered part of one species. Set-up 2 artificial environments so both groups would produce pollen at the same time. Fertilise both plants with the other's pollen. Then fertilise the plants with pollen from their own group. 
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Make sure to repeat this a few times, or have a number of plants to make sure your results are accurate. 
Or if you couldn't do the controlled environment thing, just keep some pollen one year and use it to fertilise the other group. 
I'd also put a hypothesis in there somewhere too. 
The independent variable would be the number of plants pollinated. The dependant variable would be the number of progeny (offspring) produced. 
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3 years ago
One language used for scientific naming
julia-pushkina [17]
Latin I think. It's like nomenclature, or something like that. ☺
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if a pure breeding brown coloured rat BB is crossed with a pure breeding white rat bb, using the diagram only show the genotype
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F2 generation genotype: BB,2Bb,bb

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