Echinoderms have a unique water vascular system with tube feet, and echinoderms are represented by the starfish. Given these facts, what kind of animals has a water vascular system with tubed feet among the following options: - animals  - starfish  - reeds  - insects  - warm-blooded  - sponges  - sea coral  - four limbs
starfish
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Marine biomes are found in the salt water of the ocean, and coral Reefs Coral reefs are marine biomes that are unique to tropical seas. Given these facts, where are coral reefs found among the following options: - swamps  - it can be seen  - more abundant  - ocean salt water  - salt and water.  - cold water  - food and shelter  - great lakes
ocean salt water
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Aging occurs as cells lose their ability to divide, and portions of the telomeres are lost each time a cell divides. Given these facts, the loss in length of what causes cells to age among the following options: - fur and fat  - layers of fat  - cell membrane  - sunlight  - Chlorophyll  - telomeres  - programmed cell death  - cancer
telomeres
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Astem is used to store water by some plants, and some plants also store water in their trunks and stems. Given these facts, where do plants store water among the following options: - watershed  - Collagen  - excretory  - trunks  - fibrils  - soil  - Winter  - cellulose
