Heartworms are parasitic what?
O Hookworms
O Roundworms
O Tapeworms
O Earthworms

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

In "the pig," what is the main effect that the piglet initially has on kibuka?