WebSelect True or False to indicate which of the following groups could be identified using the biological species concept. T/F lizard species living today T/F sunflower species living today T/F extinct dinosaurs T/F bacteria living today WebWhich of the following is the main difference between your cardiovascular system and that of a fish? a. Your heart has two chambers; a fish heart has four. b. Your circulation has two circuits; fish circulation has one. c. Your heart chambers are called atria and ventricles. d. Yours is a closed system; the fish’s is an open system.
Vascular system Botany, Xylem, Phloem, Importance
Web4 rows · An organ is made from two or more tissues, which all work together to do a particular job, like the ... WebNov 30, 2014 · Circulatory systems • All animals have: – muscular pump = heart – tubes = blood vessels – circulatory fluid = “blood” open closed hemolymph blood 4. • Most … araknia
What is the similarities between plant transport system and animal ...
WebJun 8, 2024 · Simple Circulatory Systems. The circulatory system varies from simple systems in invertebrates to more complex systems in vertebrates. The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as … WebUnlike the animal circulatory system, where the vascular system is composed of tubes that are lined by a layer of cells, the vascular system in plants is made of cells – the substance (water or sugars) actually moves through individual cells to get from one end of the plant to the other. WebThe circulatory system of an ectotherm also plays a major role in temperature regulation. The blood travels everywhere in the body, so if the blood is warm, it keeps the cells warm. Ectotherms have their blood vessels close to the skin for quick heat exchange. Most heat … araknidisme