The answer is B. Geology has shown a thin layer of iridium (a rare mineral on earth but found on asteroids and meteors) in the rock layers between the Cretaceous and Paleogene periods. Below this layer are numerous fossils of pterosaurs and dinosaurs, but above the layer are drastically few. The aftermath of asteroid impact is believed to have smothered most vegetation from earth which dinosaurs depended on as a source of food.
Answer:
The binomial nomenclature system combines two names into one to give all species unique scientific names.
Explanation:
Hope this helps, not 100% sure if this is what you are looking for :)
Log phase is the phase of bacterial growth where proteins and enzymes are made while decline/death phase is the phase where there is a decrease in bacterial population.
Log phase is also known as the exponential phase. It is the phase of bacterial growth curve where the population of bacteria increases exponentially. That is why maximum formation of proteins or enzymes occurs in this phase.
Decline phase comes after the plateau phase of the bacterial growth curve. At this stage, the bacteria begin to die. The causes of their death can be: lack of resources like food, lack of space, stress conditions, etc.
To know more about log and decline phase, here
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Answer:
the distance between 2 crests & 2 troughs is known as wavelength
Explanation:
Because as we evolve .....Some adaptation occurs according to the environment.....so the parts which are not right according to the environment and evolution become vestigial !!!
