Answer: Great white sharks are one of the only animals capable of eating an adult tiger shark
Explanation:
Answer:protection from other predators.
Explanation: the quills will stick into a predator that attack the porcupine Note: it does NOT shoot its quills
Answer:
Additionally, fish, aquatic plants, and other organisms living in and around the reef would be considered biotic factors. Abiotic factors of a coral reef would include the water surrounding the reef, rocks, pebbles, or sand, and the calcium carbonate "skeleton" of the coral.
Explanation:
(B) different constellations appearing at different times of the year
Answer: RadioImmunoassay
Explanation:
RadioImmunoassay is a technique used in the measurement and comparison of hormones. It helps to identify difference in the hormone concentration of various species. It makes use of Anti-bodies directed against the hormones and the radio-labelled forms of hormones. A standard curve that contains a known amount of hormone is then use to compare and calculate measurements of the new hormones.
