Answer: cell wall, chloroplasts, plastids, and a central vacuole
Explanation:
Answer:
I agree with this. And at some extent they are, but they could do better. I mean we are turning beautiful pieces of land into cities full of crime, waste, and pollution. So, yes I believe that more time and money should be invested in protecting the natural beauty of our world.
Explanation:
Based on this diagram, the organism is classified based on some similarities. In the upper-division, the similarities should be more general in the lower division, the similarities will be more specific. It was mostly based on an organ, for example: vertebrate.
An organism with the same phylum could be put in a different order.
But the organism with the same order should have the same phylum and class too since the order is located below the phylum. Those similarities are tightly correlated with the evolutionary relationship.
Answer:
Classical conditioning
Explanation:
Classical conditioning or Pavlovian conditioning is conducted on living organisms to make them associate one or more actions to a given (often familiar) stimulus or stimuli. Ivan Pavlov, in his experiment, trained a dog to associate an action, salivating for food, with the sound of a metronome.
I think the answer would be : A. the formula for the area of a circle
We need pi to calculate the area of a circle. Pi is equal to 22/7 , which is a famous irrational number because the division will meet no end
Hope this helps
