The relationship of the lion and the zebra is that of a predator and a prey. When a lion takes a herd of zebras by surprise, the zebras start running in all directions instead of fleeing together. Why do the zebras do this?

Which statement correctly describes the data shown in the graph and the type of observation used? The gingko tree grew 14 feet; this is a qualitative observation. The bur oak tree's growth rate averaged 2.

Which of the following nutrient-deficiency symptoms is correctly matched with the deficient nutrient? poor growth: nitrogenmottling of older leaves, with drying of leaf edges; calciumwilting; boronreduced internode length;

TP53 is a recessive gene and is not located on the X chromosome, why would people who inherit just one mutant copy of a recessive tumor-suppressor gene be at higher risk of developing cancer than those without the recessive gene?

What must be done to ensure DNA made is a laboratory is radioactive

Which is NOT a negative consequence of acid rain?

What does fertilization mean

The first hominin species known to be standing upright was referred to as?

Look at this definition: the inability to start a pregnancy after having unprotected vaginal intercourse for more than a year or the inability to stay pregnant for the full length of a normal pregnancy Which term does it define?

What relationship best applies between the pompeii worms and the bacteria?

What is the energy released during respiration used for?