The answers are the following:
- Hypothesis: caffeine affects the rate of mitosis in frog eggs
- Null hypothesis: caffeine has no effects on the rate of mitosis in frog eggs
- Independent variable: time
- Dependent variables: rate of mitosis in frog eggs, amount of caffeine used in each treatment, etc
- Control group: rate of mitosis in frog eggs no treated with caffeine
Tightly package celluar dna is supercoiled and most dna is negatively supercoiled. identify the tru statements about negative supercolling in dna
I would say cartilage because that is the unusual material they are made of
Hope this helps :)
Answer:
if an arrow points from one animal to another, the animal with the arrow coming from it is the one that gets eaten and transfers energy up until the animal at the top of the food chain.
Explanation: