Which of these best represents an ecosystem? A. herd of deer grazing in a field

B. Mushrooms decomposing organic matter

C. A pitcher plant growing in nutrient-poor soil

D. Frogs and fish swimming in a pond in the forest

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides

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

The largest unit within which gene flow can readily occur is a