According to the graph above, which size of seeds have the most likely become the most common in the environment? All sized of seeds are in equal abundance

Large seeds

Medium seeds

Small seeds

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Pulmonary arteries carry highly oxygenated blood. true or false?