Answer:
Genetic drift
Explanation:
Genetic drift is an evolutionary mechanism that in a population it changes allelic frequencies over generations just by chance. For this reason, small populations are more susceptible to be affected by genetic drift than bigger populations.
In this example, Indiana Jones visited a small village of 50 people and over generations allele A probably was lost just by chance, or by genetic drift.
A. animal can fly; AA. animal can't fly. That should be the correct answer. I hope that this helps you!
Answer:
A) Your cells have a nucleus; those of protists do not.
Explanation:
Your cells are eukaryotes (which DO have nuclei) and protists don't.
The challenges/limitations in rainwater harvesting in urban areas include the following:
<h3>What is Rainwater harvesting?</h3>
This involves the collection and storage of rain water from roof tops etc. The water is then used for agricultural activities.
The remedial measures for the challenges mentioned above include the following:
- Unpredictable Rainfall- Weather forecasts and efficient storage
- Regular Maintenance- Use of standard materials and efficient drainage system
Read more about Rainwater harvesting here brainly.com/question/1243231