Biotic factors are the living things in any environment, while abiotic factors are the nonliving things.
So, in the Sahara desert the living things (biotic factors) would be the animals and plants.
The nonliving things (abiotic factors) would be the sunlight, temperature, dirt, etc.
Answer:
The difference in the given case indicates that the results are reliable but not accurate. Precision is the tendency of an apparatus to provide repeatable quantities, that is, inaccuracies are minor. The application of standard deviation is generally used as a precision error.
Accuracy refers to the part of an apparatus that provides measures whose average is nearer to the accurate value. It is the reproducibility of an apparatus.
Answer:
The correct answer would be - medium with lactose present and glucose absent.
Explanation:
There are genes present in lac operon that takes part in the lactose metabolism. These genes expressed only if a medium has lactose in absence of glucose.
In the absence of glucose and lactose is present, due to inducer the lac repressor is removed from the operator. This leads to the binding of CAMP to DNA as the CAMP levels are high. It helps in high transcription levels b binding RNA polymerase to promotor.
The answer is B) Weathering occurs when rocks are subjected to the movement of wind and/ or water.
Explanation:
A) Cannot be A) because there’s actually 5 different types of weathering. Physical, chemical and biological.
Cannot be C) because weathering is caused by nature.
Cannot be D) because that would be Erosion.
