She could remove the stem of a flower of the same species and place it back in the red-coloured water as a control experiment and observe if a colour change takes place. If not, then it confirms her hypothesis.
Answer:
Explanation:
This is because the new cell is produced asexually. Therefore the mutated cells are similar to the parent.
Asexual reproduction refers to the process where a parent plants reproduce or replicate new plants by itself and the new plants carries the same set of chromosomal numbers thereby been genetically identical to the parent.
<u>Answer:</u>
Approximately, the oldest stromatolites are 3.6 billion years old on earth.
<u>Explanation:</u>
- Stromatolites is not only oldest earths fossil but conspiracy in that they are singular visual portal in deep time on earth.
- It is defined as laminated accumulation structure that is they stick up above sea floor .
- Stromatolite buildings includes oldest fossils which are 3.5 billions old when the earth were too unfriendly to support life.
- The study of fossil age, evolutionary, method of formation are known as paleontology.
- These specimens are considered as old fossils which are around 3.4 to 4.1 billions years old.
Answer: The correct answer is motor neuron
Explanation:
Motor neuron conducts impulses/messages from the brain or spinal cord to the effector (organs like arms and hands which brings about a response)
This relayed message then cause the muscle of the hand to contract and be withdrawn from the painful stimulus and preventing injury to the hand or arm tissue
Dependent selection is one term that you can use for that
