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True Breeding Plants

Pea plants are naturally self-pollinating. This means that fertilization happens when the male pollen moves to the female part of the same flower.

Mendel observed that the pea plants in his garden were true-breeding. They always produced offspring identical to their parents after self-pollination.

Draw an arrow showing how pollen moves during self-pollination.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous