Ers. to some
s of the ecosystem
in an antarctic ecosystem, phytoplankton are the main producers
species of zooplankton, called krill, are the primary consumers. to
extent, fish, penguins, seals, whales, and other animals of the eco
depend on krill to survive. which of these is a biotic factor in this
ecosystem?

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Ineed to know why d is the correct answer asap

Albinism is an autosomal recessive condition. which circle graph above shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait? answer choice f answer choice g answer choice h answer choice j