Home » Biology » Which of the following vertebrates has the most simple structured heartWhich of the following vertebrates has the most simple structured heart Which of the following vertebrates has the most simple structured heart A. reptile B. fish C. mammal D. amphibian Correct Answer: Option B Explanation Related Posts The wings of bats and birds, the flippers of whale and the fins of fish… In human beings the albino trait it recessive and the normal skin colour is dominant…. Which of the following statements about the lymphatic system is not correct? An animal which is active during the day is known as Plants with breathing roots are characteristic features of vegetation in Biology Theory (a) what is an ecosystem? (b) Name twi abiotic factors each which affect plants and…
