Why do sponges have to eat things that are only 1 cell large? because their mouth is so small that's a lie - they can eat multicellular organisms because they don't have a digestive system - each feeding cell eats individually because they don't have a coelom - their organs are exposed to the environment

What do you mean by filopodia?

Earthworms are segmented animals. All of the following are present on/in most segments of an earthworm except; Vascular tissue reproductive tissue Chetae A coelom

Earthworms are known to consume which of the following materials except: O living plant tissues (roots) O microorganisms in the soil O organic matter O detritus

The only class or group of Annelid worms which possesses a permanent clitellum is the: Hirudina Cestoda Oligochaeta Platyhelminthes Permoclitellata All lack a permanent clitellum Polychaeta

In planarians ampulation :What body parts are required for feeding? Do all of the planarians eat each week? Can you postulate why some may not eat?

Hemipterans | are also known as book lice have piercing and sucking mouthparts are hexapods are endopterygotes include aphids, scale insects and earwigs

All of the following statements are relevant to how sponges obtain nutrition EXCEPT: A. Plankton gets stuck in spicules and is digested extra-cellularly, and absorbed into the sponges, gel-like matrix B. flagellated choanocytes line their interior water canals C. Flagellated cells whip up a water current, driving water into the sponge through pore cells D. plankton gets caught in the choanocyte baskets E. amoeboid cells absorb food from the choanocytes and distribute it to other cells in the sponge

what words match the definitions Atria, Cuticle, Pseudocoelom, Exoskeleton, Ecdysis, Malpighian tubes, Gastropods, Incurrent siphon, Crop, Gizzard, Septa, Protostomes, Deuterostomes, Pentaradial symmetry, Water vascular system, Myomeres, Swim bladder, Ventricle, Endoskeleton, Notochord _______________ A body cavity that is surrounded by mesoderm and endoderm. _______________ A process by which the exoskeleton is shed as the animal grows. _______________ Outside tough covering which is permeable only to water and gases. _______________Class of Mollusca containing snails, slugs, and nudibranchs.

Phylum Habitat Symmetry Porifera Cnidaria Ctenophora Germ Layer Give two classes belonging in each phylum. Locomotion Digestive Respiratory Circulatory System Excretory Nervous Reproductive Fertilizatio n