Science - Chapter 1 Flashcards
What do we use to classify organisms?
The skills of observation and comparison.
What does it mean to “classify”?
To put things into groups.
Why do we classify?
Classification can help to organize information about organisms. But just knowing what category an organism is in, much can be known about it.
What is a Classification System?
A Classification System lists organisms in a series of groups. Today’s system has been developed by many people over many years.
How many classification kingdoms exist today and what are their names?
There are six kingdoms today. They are: Archaebacteria, Eubacteria, Protists, Fungae, Plants, Animals.
What is a KINGDOM?
The highest or more general group of organisms.
What is a PHYLUM?
The next level of classification below kingdom.
What is a CLASS?
The level of classification below PHYLUM.
What is SPECIES?
The lowest level of the classification system.
What are three characteristics of animals?
- They are multi cellular (made of more than one cell).
- They can’t make their own food.
- They can move on their own during part or all of their lives.
How many PHYLA are today in the Animal Kingdom?
More than 30 phyla.
What is the name of the phylum of organisms that have SPINAL CORDS?
CHORDATA
What is one SUBPHYLUM of of CHORDATA?
VERTEBRATES. They are animals with backbones/spine that surround the spinal cord.
What are the different classes of the VERTEBRATE SUBPHYLUM?
Mammals, birds, reptiles, amphibians and three classes of fish.
Characteristics of MAMMALS? Humans / Cows
- Breathe air with lungs.
- Make milk for their young.
- Warm blood.
- Have hair or fur.
Lifecycle of MAMMALS?
- Birth
- Grow
- Reproduce
- Death
What are the differences and similarities between reptiles and mammals?
Similarities:
1. Their lungs and stomachs are similar.
2. Their heads have the same arrangements of eyes, nose and mouth.
Differences:
1. They don’t have any hair or fur.
2. They have tough, dry skin with scales.
3. Cold blooded