Answer: The root tissue cells all have the same number of chromosomes. :)
Answer:
The vibrations in the air make the eardrum vibrate and these vibrations are passed through the three small bones called ossicles to a spiral structure called the cochlea signals are passed from the cochlea to the brain through the auditory nerve and our brain interprets these signals as sound
Explanation:
Answer:
The controlled variable in an experiment could be the amount of water.
Explanation:
The experiment is to see how the amount of water changes the growth of the same plant type. The amount of water is what we are controlling, to see if we get different results from the plant growth.
Answer:
The organism that can live deep beneath the earth surface despite intense pressure heat lack of water and sunlight might be Nematodes.
Explanation:
- Nematodes are able to cope extreme heat or extreme cold and dehydration. They have adopted by learning technique that allows them to survive. They can transform into a hardy form called the dauer stage.
- They can survive harsh conditions for longer durations at this stage. And again awaken themselves when conditions are favourable again.
- They can be found in hot springs, deserts, high up mountains and in the deepest oceans.