Answer:
A) Tomato plants grown in soil with no fertilizer
Explanation:
The control group is the group that you do not change anything. This is used as a basis or a baseline to determine whether changes you make in the experimental groups actually made a difference. An experiment is incomplete when you do not have this because it does not show any evidence that the change you made is what ellicits an effect.
Answer:
commensalism
Explanation:
One organism is benefited while the other is not harmed or benefited.
Answer:
The Man in the Water interested Rosenblatt.
Here are the remarkable occurrence that rosenblatt reported:
1. The real act of SELFLESSNESS that the Man in the Water showed as he sacrificed himself for others.
2. The Man in the Water was a real person, just like any other person with flesh and blood.
He showed SELF-SACRIFICE which is rare in today's world. He gave up his own survival for total strangers by passing his lifeline or a flotation ring given to him by the rescue team on to another of the passengers.
Answer:
D. 3; 508
Explanation:
A population compromises of the number of organisms of same species which can interbreed living in a particular geographical area. These members can interbreed to reproduce fertile offspring. A population can occur both in small and large areas.
Here, Linda observed three different populations: porcupines, pinion pines and beetles. The total organisms in her study comes from adding all the organisms from the three different populations. Thus, total organisms she studied is:
25 + 151 + 332 = 508.
Hence, Linda's study encompasses 3 populations and 508 organisms.
Answer:
codominance
Explanation:
This is when both traits are fully and separately expressed.
another ex: white flower + red flower = red/white flower
