Which structures both plant and animal cells meet the challenges of life? a. cell wall and lysosomes b. nucleus and cell membrane c. vacuoles and cell membrane d. flagella and mitochondria

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

The assembly called for a "bill of rights" that would list u.s. citizens'

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet.the object is a moon, not a dwarf planet.the object is not a dwarf planet because it travels with other objects.the object is not a dwarf planet because it is round.