In mendel's second set of experiments, he crossed the offspring of his first set of experiments. which of the following statements summarizes the results from this set of experiments? A. In each case, about three-fourths of the offspring presented one form of the trait, about one-fourth presented the other form.
B. In each case, about half of the offspring presented each trait.
C. In each case, the offspring presented a different trait from the parent plants.
D. In each case, one form of the trait disappeared in the offspring, and one form appeared in the offspring.

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.