Plant adaptations in tropical grasslands include all except* A. Presence of lignotubers

B. Fire resistant barks

C. Poisonous sap

D. Broad leaves

Environmental differences within ecosystems are generally caused by

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.