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Olenka [21]
4 years ago
14

How are 3-D printers useful in studying evolution?

Biology
1 answer:
djyliett [7]4 years ago
7 0
They can use 3d printers to make identical copies of things such as fossils. The reason why that is useful is because REAL fossils are rare. So they can still study the traits and characteristics of the fossils without having to buy a fossil or find one because they are rare and they cost a lot
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This process is called autophagy.

Autophagy is an intracellular process of degradation, which includes the destruction of cytoplasmic components in the lysosomes. These components are considered unnecessary or dysfunctional and that is why they are recycled by the cell.

Autophagy has four sequential steps which are the sequestration, the transport of the components to the lysosome, the degradation, and the recycling and utilization of the degradation products.

Autophagy is considered as an adaptive response to stress by ensuring the survival of the cell and the tissue.
8 0
3 years ago
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1. You are studying a trait in corn that you believe exhibits Mendelian inheritance. You count phenotypes and find that there ar
iris [78.8K]

Answer:

This trait is inherited in a Mendelian fashion.

Explanation:

Chi-square test is used to test the relationship b/w variables, on performing the chi-square test on traits of corn, value that we obtained was zero, it means that there is no relationship b/w two traits. So, the trait has been inherited independently in Mendelian fashion.

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3 years ago
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Why do populations in different countries grow at different rates?
Lemur [1.5K]
Survival rates of newborns
Average life spans 
Death rates 
level of and access to medicare 
Local diseases with high mortality rates (Malaria,AIDS,Dengue, ETC)
Education levels 
Economic levels
Governmental programs or laws (available food) ECT
Temperature/environment conditions
8 0
3 years ago
Why is it good for aquatic organisms that live in cold climates that ice floats?
Zielflug [23.3K]

Answer;

-The less dense, the more the ice will float, allowing animals to stay afloat and not in the water

Explanation;

-When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.

-This means that ice floats on water and that lakes freeze from the top down to the bottom.This is vital for animals that live on ice, as their habitats would be greatly reduced or not exist at all if ice sank.

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3 years ago
Name at least one difference between eubacteria and archaebacteria.
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Archaebacteria are called ancient bacteria whereas eubacteria are called true bacteria. Unlike eubacteria, archaebacteria can survive in extreme conditions.
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3 years ago
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