Answer:
Option A, Fixed quota models are risky because slight miscalculations can result in fish population extinction
Explanation:
Some of the major drawbacks of modelling fishing are as follows –
a) The fixed quota model is very risky as a miniscule change in attributes can result into extinction of fish.
b) On the other hand fixed effort harvesting can decrease the risk of fish population extinction
Hence, option A is correct
Villi increases the surface area to help with absorption and digestion. Micro-villi form a brush border that vastly increases the surface area of the plasma membrane so larger amounts of nutrients can be absorbed.
Answer:
meter
Explanation:
The following equation will be used to solve this question -
Velocity is zero.
Removing out the nullified terms from the above equation, we get -
meter
Hence, top of the liquid in the bottle must be at a height of meter.
Answer:
The Highlands are older as evidenced by their crater density.
Explanation:
Decomposers recycle all the organic molecules of all the dead organisms, by breaking them down and make these nutrients available to the environment, which can now be used as the source of energy for other organisms. Decomposers can be bacteria, fungi or invertebrates.
