How do adaptations help animals survive in their environment?
• An ______is a body part or behavior that helps an animal survive in a particular environment.
• Adaptation can help an animal ______, catch food, or ______.
• All animals are ______to live in certain ______.
• Animals that cannot adapt will ______.
• We can separate adaptations into two categories: ______& ______
• ______ are body structures that allow an animal to find and consume food, ______itself, and to ______its species.
• ______ help an animal survive in its environment.
• Remember that Physical Adaptations are body structures
• ______: the ability to hide itself from prey by using its own color
• ______: (looking or sounding like another living organism)
• ______ : venom, ink, sprays
• ______& ______ :claws, beaks, feet, armor plates, skulls, teeth
______Adaptations :the way an animal behaves in order to survive
• are ______.
• Each organism has unique ______of adapting to its ______by means of different actions.
Examples of Adaptation
• The ______of an animal’s teeth is related to its diet.
– Herbivores, such as deer, have many molars for chewing tough grass and plants.
– Carnivores, such as lions, have sharp canines to kill and tear meat.
• The ______length of the animals neck allows for them the reach food sources
• ______- Rabbits have this to give them a wide field of vision for surveillance and detection of danger
• ______- Hair, scales, spines, and feathers grow from the skin. All of these parts help animals survive in their environments.
• Some animals use these methods of defense to protect themselves:
– Camouflage
• Snake
– Mimicry
• Mexican Milk Snake
– Bright colors
• Skunk and Poison Arrow Frog
– “Hair” projections
• Hedgehog quills
• Deer Antlers
Reproductive Adaptations
• ______: 2 parents
• ______: 1 parent
• ______time: ______gestation and high fertility aid ______population increases when food is available
• What is an advantage/disadvantage of each type of reproduction for survival of an organism?
Example of plant adaptations:
• Thorns (______)
• Poisons (for ______)
• Bright colors (for ______)
• ______(for protection)
• Odor (for ______)
• ______(desert plants)
Adaptations for certain biomes:
• ______: ability to store water (cactus, camel), deep roots (plants)
• ______: plants have floating seeds, animals have to be adapted to high pressure under water, webbed feet
• ______(mountains): larger lungs and organisms carry more oxygen in red blood cells
Homeostasis
• The process by which an organism’s ______environment is kept stable despite changes in the ______environment.
• Examples:
– The ______of fur in winter.
– The seeking of ______in ______.
– The ______of more ______blood cells at high altitude (carry more oxygen)
Endotherms vs. Ectotherms
• ______: animals that generate their own heat in order to maintain a body temperature
– We call these animals warm-blooded.
– Keep a constant body temperature regardless of changes in the surrounding temperature
How do endotherms adapt?
– ______, fur, and feathers ______the body and ______heat.
– ______muscles contract to ______body heat.
– Some animals ______. This enables animals to ______long periods of cold and lack of food.
– Canines, like this Noni, use panting as a means of ______regulation.
• Ectotherms
– ______:animals whose body temperature changes with their surroundings
– We call these animals cold-blooded
– Body temperature ______(goes up and down) with changes in the ______temperature.
– Most marine fish and ______live in water that stays the same temperature.
– When the weather is warm, they become active. They slow down when the temperature drops.
• To ______, reptiles find sunny places, and stretch out for maximum ______. If it gets too warm, lizards alternate between sun and shade.
• ______warm up by moving into the sun or diving into warm water. They ______off by entering the shade.