1. What are the adaptations of frogs to terrestrial life? 2. Give an example of convergence in the spindle-like body

1. What are the adaptations of frogs to terrestrial life?
2. Give an example of convergence in the spindle-like body shape of sharks and dolphins.
3. How do hollow bones in birds relate to their adaptation for flight?
4. Explain the concept of aramorphosis with respect to the emergence of jaws in animals.
5. How are modifications used as materials for adaptations?
6. Describe the physiological adaptation involved in the seasonal migrations of birds.
7. Why are adaptations considered relative?
8. Discuss why bioluminescence is not typically found in benthic organisms.
9. How are succulents adapted to thrive in humid climates?
10. Explain how eurybionts can exist in a narrow range of environmental conditions.
11. How do aramorphoses enhance the level of organization in organisms?
12. Describe the principle of general regeneration in the adaptation of slow-moving organisms.
13. How does a wide range of reactions enable organisms to survive in variable conditions?
14. Give an example of idioadaptation in the diversity of flowers.
15. Explain how stenobionts have adapted to various environments.

Second level. Choose the correct answer.
1. Which of the following has low ecological plasticity: a) eurybionts b) stenobionts c) epiphytes d) koalas e) field mice.
2. What factors limit the distribution of the peculiar velvet worm: a) pressure b) humidity c) water salinity d) temperature e) human activity.
3. Which organism exhibits ecological plasticity: a) squid b) cross spider c) brown bear d) spruce tree e) crocodile.
4. What type of body symmetry is found in organisms leading a sessile life: a) bilateral b) radial c) radiating d) absent.
5. How have red algae adapted to life at great depths: a) presence of thallus b) long roots c) specific pigments d) cell membrane e) pyrenoid.
6. Contractile vacuoles are present in: a) sponges b) cartilaginous fish c) chlamydomonads d) dolphins e) hydras.
7. Organisms that actively move within the water column are called: a) benthos b) nekton c) neuston d) plankton e) periphyton.
8. Which organism buries itself in the ground during water body drying: a) pike b) centipede c) lungfish d) shark e) trout.
9. Which of the following plants are eurybionts: a) mulberry tree b) ginkgo c) plantain d) fern e) saguaro cactus.
10. Glass sponges belong to: a) plankton b) nekton c) periphyton d) neuston e) parasites.
11. Gaustoria are formed by: a) morel mushroom b) mushroom c) white mushroom d) wheat smut e) fly agaric.
12. Photophilic plants include: a) spruce b) bent grass c) pine d) fern e) birch.