C an organism only needs one dominant allele, so the genotype could be 2 dominant or 1 dominant 1 recessive and you could only find out using a testcross
To answer the question that is: "which factors affect a river's load", we have to understand that all the things mentioned are important. All these options (river's slope, streambed shape and volume of flow) affect the amount of energy that the river has to spend and the way the river spend that energy, so, it is right to mark the alternative d) all of the above.
As human travel increases , the number of introduced species likely increases .
<h3>What is species and how human travelling can increase the number of introduced species?</h3>
- As humans will start moving more from one place to another there will be more species number.
- The number of introduced species will increase sharply seeing the increase in the number of human population doing migration and travelling.
- The breakdown of regional distinctiveness leads to increase in the travelling period of the humans .
- And most importantly the introduction of new species will increase and will be impacted by the human who have come from elsewhere for either travelling purposes or migration purposes.
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