C. Grasslands are used for cropland.
Explanation:
The land use change as human population increase when grasslands are used for cropland to support the thriving population.
One problem with thriving human population is the availability of food.
- To grow more food, new farmlands have to be cleared.
- In areas where Grassland dominates, they must give way to agricultural fields.
- Forests must be cleared for crop growing.
- This leads to loss of natural grassland and replacement by cropland.
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Answer:
Explanation:
DNA is a double helical structure. It is a long polymer molecule which has deoxyribose sugar and phosphate backbone. It have four nitrogenous bases which are supported by the phosphate backbone. These are the adenine, guanine, thymine and cytosine.
RNA is a single stranded molecule. It is a polymer with a ribose sugar and phosphate backbone. It also exhibit four nitrogenous bases that are supported by phosphate backbone these are adenine, guanine, cytosine and uracil.
It is the 4th level of organization, which is organ
Answer:
Because the F1 plants all had a lowercase a/short plant allele, there was a 25% chance that two plants would contribute it to their offspring and they both did sometimes to make a aa offpsring.
Explanation:
All the F1 plants were heterozygous, so when they were crossed, the resulting genotypic ratio was 1 AA : 2 Aa : 1 aa. As you can see, this is the first time since the parent generation that there is a aa genotype and short plant phenotype, so that's why short plants reappeared.
Answer:
False
Explanation:
Oceanic plates are thinner and less dense, which causes them to be subducted underneath the less dense continental plate at a destructive plate margin.
