I believe the answer is Genes??If that is the answer. Hope this helps
Fungi is single celled micro organism, which grows in plants or soil. Fungi can be mostly found on soil or dead plants or dead matter.
Three characteristics of Fungi are:
- Fungi reproduce through spores.
- Fungi are mostly Eukaryotic or single celled.
- Fungi can play major role in recycling.
Answer is A. A population becomes separated by environmental factors into two groups that do not reproduce with one another.
When a population of a species become geographically separated then gene flow between them stops. Over a period of time, the population may become genetically different in response to the natural selection due to different environments. Selection and genetic drift will act differently on these two separated populations. This will results into two separate species. This type of speciation is called allopatric speciation.
Answer:
Hypothesis: IF Aloe vera is applied, THEN the number of regenerated planaria will increase
Independent variable: The different amounts of Aloe vera applied
Dependent variable: Number of regenerated planaria
Control group: The parts of planaria that received 0% of Aloe vera
Conclusion: The Hypothesis should be rejected
Explanation:
Hypothesis in an experiment is a testable explanation to an observed problem. It aims at proferring a possible solution/answer to a question. In this experiment, the hypothesis will be: IF Aloe vera is applied, THEN the number of regenerated planaria will increase
The independent variable refers to the variable being manipulated or changed in the experiment while the dependent variable is the variable that responds to the changes made to the independent variable. The dependent variable is the measured variable. In this experiment, the independent variable is THE DIFFERENT AMOUNTS OF ALOE VERA APPLIED while the dependent variable is THE NUMBER OF REGENERATED PLANARIA.
The control group of an experiment is the group that differs from the experimental group by not receiving the experimental treatment (independent variable). In this experiment, the control is the PART OF PLANARIA THAT RECEIVES 0% OF ALOE VERA.
Based on the outcome of the experiment, it can be seen that there was an initial increase in number of regenerated planaria but the number later declined, hence, the hypothesis given will be REJECTED as it doesn't explain the declination.
