Adaptation of plants and animals quiz, behavioral adaptations, marine adaptation, ecological adaptation, and more. This exercise contains questions and answers on animals and plants and how they adapt to cope with harsh environmental conditions e.g. some animals hibernate in winter, some plants develope thick leaves in the desert to reserve water, some plants have flexible branches that bend to adapt to strong winds and more. | Multiple choice quiz featuring biology test questions for students to review biology topics. Click on each question and select the correct answer below and submit. Feedback is instant and at the end you will get your score. Biology quiz for 2nd, 3rd, 4th, 5th, 6th, 7th grades to review.