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g100num [7]
3 years ago
5

Select a type of renewable energy

Biology
1 answer:
ivolga24 [154]3 years ago
8 0
Solar energy, wind energy, hydropower, geothermal energy, and biomass energy. These types of energy sources are different from fossil fuels, such as coal, oil, and natural gas.
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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. 
Count the number of offspring each plant produces. 
If the plants which were fertilised by the opposite group produce offspring, they are of the same species. You can then take this further if they are of the same species by analysing if there is any difference between the number (and health) of offspring produced by the crossed progeny and by the pure progeny. You'd have to take into account that some of them would want to grow at different times, so a study of the progeny from their first sprout until death (whilst emulating the seasons in your ideal controlled environment). Their success could then be compared to that of the pure-bred individuals. 
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. 
5 0
3 years ago
A heterozygous Tall and heterozygous red flower is crossed with a
abruzzese [7]

Answer:

Explanatio— What are the chances of having a short, white flower? Your answer can be in fraction, decimal or percent.

4 0
3 years ago
Which organelle in the plant cell makes glucose from sunlight?
vovangra [49]

Answer: mitochondria

Explanation:

3 0
3 years ago
Mutation is an important mechanism for evolutionary change. Which type of mutations contribute to evolution?
Aneli [31]
<span>Both somatic and germinal mutations are contributors of evolution. Somatic mutations occur within tissues of individuals that give the said individual differing traits and characteristics. Germinal mutations occur in reproductive cells that can be passed on to offspring, altering their traits and characteristics.</span>
7 0
3 years ago
How does the fertilization process produce diploid cells?
djyliett [7]
Most cells in the body are diploids, germ line diploid cells will undergo meiosis to produce gametes. Fertilization following, the gametophyte phase is haploid and the part of the life cycle in which gametes are produced by mitosis of haploid cells.



Hope this helps!!!!
3 0
3 years ago
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