Organism Structures
What is the purpose of internal and external structures in organisms?
Support growth, survival, and reproduction
What do plants in Utah's desert regions need to survive?
Structures that retain and conserve water
What can fossils tell us about organisms that lived long ago?
The types of organisms and their environments
What do animals use to take in information?
Their senses.
What part of your body helps you feel hot or cold?
Your skin.
What part of a fish allows it to take in oxygen from water?
Gills
In Utah, what advantage do plants with thorns or spines have?
hey avoid being eaten by deer.
What can you infer if a bird's fossils are found in older layers but not newer ones?
The bird species is extinct.
What is the process where bats use sound waves to locate objects?
Echolocation
What carries messages from your senses to your brain?
Nerves.
An elephant's trunk is an example of what type of structure?
External structure
What conclusion can be drawn from finding fossils of ocean animals on a highland mountain?
The area was once underwater.
What parts of an organism typically fossilize?
Hard parts like bones or shells
After an owl sees a mouse, which part of its body processes the image?
The brain
What sense helps you see things around you?
Vision or sight.
What structures help desert plants conserve water?
Structures like thick leaves or spines
What evidence shows that environments have changed over time?
Different rock layers, fossils, and changes in landscapes
What is the likely origin of ocean fossils found in mountainous regions?
Mountains were once under the ocean
Why might some animals have one sense stronger than others?
It helps them adapt to their environment, like bats relying on echolocation.
What part of your ear helps detect sound vibrations and send signals to your brain?
The cochlea.
What parts of an organism are most likely to become fossils?
Hard parts like shells or bones
How does echolocation help bats in the desert?
It allows them to locate objects in the dark using sound waves.
What does a layered rock formation containing different fossils indicate?
Environmental changes over time.
How do senses help animals survive?
By allowing them to detect food, predators, and environmental changes.
Which part of your nervous system sends signals from your body to your brain?
Sensory nerves.