What is the name for the total amount of living matter in each trophic level of an ecological pyramid

Where are sperm cells stored after production?.

The genomes of free-living spirochaetes are larger than those living in animal hosts. Why might this be so? A. Free-living spirochetes will need to synthesize proteins to obtain or create their own food from the environment around them.

In 2002, Trask et al. published a study showing that a high frequency of HIV transmissions in Lusaka, Zambia occurred between marriage partners.

A student measures the range of sound frequencies that the human ear can hear by playing sounds for volunteers between 10 and 30,000 Hertz and asking them to raise their hand if they were able to hear it.

Which species will most likely survive if earth temperature increase? Species A: Thick fur with long hair, small ears Species B: Fur with short hair, large ears protruding out A. Species A because fur would provide insulation B.

In cell f7, create a formula that calculates the salary for joan dickinson. her salary is calculated by adding her base salary (cell b7) to her total bonus (cell e7). (hint: do not use the sum function.)

The monomers of carbohydrates are called

Describe the process of cellular respiration

Which area in the united states has the highest average number of thunderstorms per hour?

How many chromosomes will each new cell have