The correct answers are ATMOSPHERE and BIOSPHERE. Nitrogen is most abundant in the ATMOSPHERE, but nitrogen can't be absorbed by the BIOSPHERE without the help of a special bacteria and without undergoing a process called nitrogen fixation.
Answer:
The rat will most likely take more of the licorice flavored water
Explanation:
The rat will take more keen on taking more of the licorice flavored water than green water because it has associated the taste of the green water with painful pinch it received on the tail, causing it to refrain the next time it has a choice.
In behavioral psychology, animals are known to tie their actions to either pleasurable or painful feelings. Naturally, the behavior of every animal is conditioned in such a way that it seeks pleasure and avoids pain.
Once the rat begins to associate the taste or sight of the green water with pain, it abstains.
Answer:
34
Explanation:
Electron transport begins with serval molecules of NADH and FADH2
Answer:
B. The hurricane has caused a population bottleneck
Explanation:
When there is a sudden reduction in the size of a population due to some unfavorable environmental conditions, the population is said to have experienced bottleneck. Bottleneck mostly results in genetic drift and changes the allele frequencies in the population. It is caused by some natural disasters or adverse conditions such as a hurricane.
In the given example, the hurricane removed all the birds with green feathers from the population and also has reduced the population size from 1000 to 10. Therefore, it represents the population bottleneck.
The plant cell is the smallest living structure and constituent unit of all plants. Its size and shape vary by function. It is composed of several organelles, all useful to its activity.
The right answers are: (the numbers are in the picture).
1 refer to a vacuole.
2 refer to a cell wall (if you see closer, the arrow is aiming the green layer, the yellow one is the cell membrane).
3. refer to a chloroplast.
4. refer to mitochondria.
