Cells, tissues, and structures
Organisms use _____ to disguise their appearance, usually to blend in with their surroundings. Organisms use this to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey.
camouflage
If an animal's response is needing to find food, then what is the stimulus?
seeing prey or being hungry and needing to hunt.
What are two external structures of a plant?
structure
the parts of a plant or animal.
Define auditory system
your ear
Name 3 internal organs in the human body.
Answers will vary.
Heart
Lungs
Kidney
How do plants eat?
their roots soak up nutrients and their leaves use photosynthesis
What is the function of the root?
Helps the plant stand and soaks in nutrients from the soil.
Internal Structure
Structure that can be found on the inside of an organism such as the heart or lungs
Names all 5 senses
Sight, taste, touch, hearing, smell
What is the smallest structure of a living thing?
A cell
Based on what we know about how structures and their functions help animals survive, name 2 ways that a bird's beak size and shape could help it to survive.
catch food and eat it, clean itself (pruning its feathers), feed young, defend itself, build a nest.
ear canal, ear drum, hammer, anvil, stirrup, cochlea, nerve
define Tropism
Tropism is how a plant turns and responds to environmental stimulus.
True of false: The pupil gets larger when it is dark.
True
An example of an internal organ is the lungs. What is an organ system?
A group of organs working together for a specific function.
EX: digestive system, circulatory system, nervous system
What are some structures that help animals find food to survive?
nose, eyes, ears
also acceptable: muscles to run, sharp teeth
What is a function of the petioles in celery??
To carry nutrients and water to the rest of the plant
Function
the job that the part does for the plant or animal
Once there is a light source that the eye can see, how does the eye work?
-Light is reflected from objects back to the eye.
-Once light enters the eye, it is bent, refracted, and eventually travels to the optic nerve.
-The signal is then sent along the optic nerve to the brain.
A group of similar cells is called ...
tissue
What system in our body handles food?
the digestive system
What is the function of the rib cage (Bones in your chest)?
To protect the heart and lungs
The word for a plant when it responds to light
phototropism
How has the respiratory system adapted to fit the needs of many different animals?
horses have huge lungs for running, lung size in other animals, placement in the body, longer or shorter throats