5th grade Science - Chapter 4

Terms in this set (32)

List some traits that all animals have in common
All animals are organized in their makeup, with cells, molecules, and DNA. All animals develop and grow. All animals reproduce and respond to the environment. No animals can make their own food.
What are some ways that animals can adapt to its environment?
An animal can adapt to its environment by camouflaging or mimicking so that it blends or can hide from predators. Over time, some animals have gotten thicker fur for cold weather or thinner fur for hot weather. The shape of their nose or ears, the number of fingers, the color of fur, or the shape of a bird's beak are some other adaptations.
How are animal behaviors that are inherited different from those that are learned?
Inherited behaviors are reflex and instinct. The animal is born with these behaviors and does not have to be taught them. A reflex behavior can be like a monkey pulling its hand away when it's bitten. An instinct is like a colt being able to walk right after it is born. Learned behaviors are taught by a parent. An example is where an animal learns that an action could lead to good or bad results. A child learns that touching something hot could cause pain.
What are the benefits of crossbreeding? What is an example of a cross breed?
People crossbreed to produce hearty crops or plans and animals with desirable traits. Mules and London plane trees are examples of cross breeds.
Why is diversity important for an animal group to survive?
Diversity is important because if every single animal had the same traits, they may all die out. If they don't have the same traits, then some will survive and keep the population going.
How would you design an experiment to test the reaction of sow bugs to temperature?
First, I would get 3 sow bugs. I would put them in jars with air holes. I would put the first one in the fridge. I would put the second one outside, if it's summer time. I would put the third one in the house. I think the one in the fridge will die and the one outside will live. The one inside will probably die because the air isn't as good inside.
Are bats more closely related to bears or birds? Why?
Bats are more closely related to bears because they are mammals.
You are interested in the inherited and learned behaviors of cats. How might you learn more?
I would look on the internet for more information. The internet has more details than a book does.
What are vertebrates called that have adapted to live part of their life on land and part in the water?
amphibians
What does an animal use to blend in with the background?
camouflage
What is looking like something a predator would not like to eat an example of?
mimicry
What is the changing color of an arctic hare's coat an example of?
protective coloration
What is a mule?
hybrid
In what classification do humans belong?
mammals
What do scientists use to produce heartier crops?
crossbreeding
What is the passing down of inherited traits called?
heredity
What are vertebrates that have dry, thick skin called?
reptiles
A group of mutts is a good example of animal...
diversity
hybrids
living things that have parents that are different species
protective coloration
animals that blend in with their backgrounds
inherited trait
a trait that is passed on from one generation to the next
mimicry
a defense that an animal uses to look like another in an unpleasant way
heredity
the passing of inherited traits from parents to offspring
crossbreeding
the process of mating closely related living things
animal diversity
a group of the same kind of animal in which there are lots of animals with different traits
fish
animals that live their whole lives in water
birds
vertebrates with hollow bones and air sacs that help them fly
animals
many-celled organisms that are made of different kinds of cells
organ systems
systems that enable animals to perform different functions:
sense its environment
get rid of wastes
reproduce
fish group
the most diverse vertebrate group
What are the five classes of vertebrates?
mammals
fishes
reptiles
amphibians
birds
thorn bugs
look like thorns, so predators stay away from them
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