Suppose there is a 25% chance to win on a scratch off lotter…

Suppose there is a 25% chance to win on a scratch off lottery ticket, and you buy 3. Answer the following and round to 4 decimal places: a) What is the probability of winning three times in a row? b) What is the probability of losing three times in a row? d) What is the probability of winning on at least one of the three tickets?

Some fungi, such as button mushrooms, can be easily grown fo…

Some fungi, such as button mushrooms, can be easily grown for harvest on decaying matter. Others, such as truffles, cannot be cultivated on their own. Explain why this is the case in 2-4 sentences, using all of the following terms correctly (4 pts): Saprotrophic                Mycorrhizal             Mutualist            Mycelium

You are studying the frequency p of an allele that gives pig…

You are studying the frequency p of an allele that gives pigeons brown feathers.  Over five generations, you observe the following frequencies in a large population of pigeons. p 0.75 0.70 0.68 0.57 0.50 Is this locus at Hardy-Weinberg equilibrium in this population? Why or why not?

A plain is covered in a species of tall grass (primary produ…

A plain is covered in a species of tall grass (primary producer). One primary consumer species eats the grass. One secondary consumer species eats the primary consumer. And one tertiary consumer species is at the top of the food chain. Which of these is the dominant species on this plain?