What is paleoanthropology? a. it is practiced by archaeologists only. b. it is defined as the study of early humans. c. it is practiced by physical anthropologists only. d. it is concerned with fossilized skeletal remains only. e. it is defined as the study of fossilized non-primate mammals?

The transport tubes for food coming down the plants are called?

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease

All annelids and arthropods have a blank body plan . unlike annelids, arthropods also have blank . the circulatory system of annelids is blank , while circulatory system of arthropods is blank .