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100
The grouping of things according to similar characteristics.
What is classification?
100
A rigid outer covering in most arthropods.
What is an exockeleton?
100
The two part scientific name given to organisms.
What are genus and species?
100
To move to a new environment during the course of a year.
What is migrate?
100
An animal that has a backbone.
What is a vertebrate?
200
Characteristic of organisms that maintain their body temperature internally.
What is warm-blooded?
200
The three groups to which mammals are divided into.
What are egg-laying, pouched, and placental mammals?
200
Process by which an arthropod's exoskeleton is shed and replaced from time to time.
What is molting?
200
The advantage to mammals for having a warm-blooded body system.
What is they can live in harsh environments?
200
Characteristics of organisms that use their surroundings to maintain their body temperature.
What is cold-blooded?
300
The five kingdoms to which organisms are divided into.
What are plants, animals, protists, monerans, and fungi?
300
The time the young of placental mammals spend inside the mother.
What is gestation period?
300
Vertebrates that have lungs, scaly skin, and a special type of egg.
What are reptiles?
300
Warmblooded egg laying vertebrates that have feathers.
What are birds?
300
Structure that develops in pregnant female mammals through which food, oxygen, and wastes are exchanged between young and mother.
What is placenta?
400
Warmblooded vertebrates that have hair or fur and that feed their young milk.
What are mammals?
400
An invertebrate that is characterized by having an exoskeleton, segmented bodies, and jointed appendages.
What is an arthropod?
400
Vertebrates that are fishlike and that breathe through gills when immature.
What are amphibians?
400
Vertebrates that are characterized by scales, fins, and throats with gill slits.
What are fish?
400
A difference that separates mammals from other animals in regards to offspring.
What is mammals offer care and protection for their young?
500
The seven major groups to which all livings things are classified into.
What are kingdom, phylum, class, order, family, genus, and species?
500
Give an example of a crustacean.
What are lobsters, crabs, barnacles, and shrimp?
500
Type of arthropod that is characterized by having a head, abdomen, and 8 legs.
What is a spider or relative?
500
The reason why amphibians live in moist areas.
What is they need to keep their skin moist to be able to breathe?
500
Type of arthropod that has a head, chest, and abdomen with six legs.
What is an insect?