describe extinction.
when the last individual organism of a species dies.
True or false? A invertebrate is a animal with a backbone.
False, an invertebrate has a backbone
Which part is the powerhouse of the cell?
mitochondria
Name one type of virus
flu, COVID-19, measles, chicken pox, RSV etc..
What gas do living creatures need in order to breathe?
oxygen
What are the 3 types of fossils we learned about?
Cast, Trace, and Mold
What are the 3 types of symmetry we talked about?
Radial symmetry, Bilateral symmetry, asymmetry.
Name all the 4 phases of mitosis.
prophase, metaphase, anaphase, telophase.
What do some bacteria use for movement?
flagella (flagellum)
What planet is known as the Red Planet?
Mars
What is made up of all the fossils ever discovered on Earth?
fossil record
What is a nerve net?
a net-like control system that sends signals to and from all parts of the body.
Define mitosis.
when the nucleus and its contents dividewhen the nucleus and its contents divide
True or False? Bacteria are prokaryotes?
True, bacteria are microscopic prokaryotes.
What is the only mammal that can fly?
bat
What was Charles Darwin theory?
The theory of evolution
What skeleton is a fluid-filled internal cavity surrounded by muscle tissue?
hydrostatic skeleton
What is the longest part of the cell cycle?
interphase
What are short, hairlike structures that grown on the surface of some protists
cilia
How many elements are in the periodic table (hint bigger than 50)
118
When does carbonization occur in fossils?
it occurs when a fossil forms when a dead organism is compressed over time and pressure drives off organisms liquids + gases
Name 3 major phyla from kingdom animalia.
annelida, arthropoda, chordata, mollusca, echinodermata, Nematoda, Cnidaria, porifera etc..
How many chromosomes does a human have?
46 chromosomes.
Name the 3 common bacteria shapes.
rod, spiral, sphere
When was the first megalodon discovered?
20- 23 million years ago