Answer:
Hmm. There are more than 3 types of fossils. The 3 most common types of fossils are Mold (where an organism is buried in sediment and then decays, leaving an empty space. Cast (when minerals in rocks fill a space by a decayed oransim. and then trace were a dinosaur leaves a foot print.
Explanation:
Can i be marked brainliest? if not thats okay. :)
Coral reefs are found in the photic zone of aquatic biome.
Explanation:
The ridges of ocean that are formed by invertebrates of marine system which lives in the superficial warm water are the Coral reefs. These are found in the ocean zone- photic. This is the uppermost surface area of ocean where abundance of sunlight is found and photosynthesis takes place.
The reefs of shallow water have an association with algae, which is photosynthetic. One of such reefs is the Reef of Great Barrier in the Australian northeast coast.
The correct answer is 1, tight junctions. Tight junctions are the junctions seal adjacent epithelial cells in a narrow band just beneath their apical surface. They contain a network of claudins and other proteins. They limit the passage of molecules and ions through the space between cells.