In the rocky communities of the Americal Pacific Coast which is an important predator

Read statements regarding population interaction (A) Biological control methods are adopted in agricultural pest control (B) In the rocky intertidal areas of American pacific coast starfish is an important predator (C ) Some species of insect & frog show camouflagae (D) Parasite and host show co-evolution How many of above statements are correct?

In rocky intertidal communities of the AmericanPacific Coast the starfish Pisaster were removed for an experimental purpose. How did thid affect the invertebrates in that region?

In rocky Intertidal communities removal of which of the following predator became the cause of extinction of 10 species of invertebrates?

More than 10 species of invertebrates became extinct within a year from the American pacific coast when Pisaster starfish was removed. This extinction was due to -

More than 10 species of invertebrates became extinct within a year from the American pacific coast when Pisaster starfish was removed. This extinction was due to -

Which statement is false about predators ?

Which of the following is an advantage of predation ?