A vacuum cleaner helps collect waste that is left behind on the floor. Some vacuum cleaners even suction up liquids. The vacuum cleaner could represent which organelle in the cell?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above