Orca general knoledge
are orcas whales?
no, they are dolphins
what is one toxic chemical that plagues orcas
DDT
Can orcas determine the species of a fish with echolocation?
YES
What is a group of orcas called
A POD
what do orcas use to find food
Echolocation
How loud is a cargo ship engine to an orca? compare to somthing
Jet engine
Can a Porpise see through walls with echolocation?
NO
How many orcas are in the salish sea approximatly
75
where are the orcas that we talked about from?
The salish sea
what is one thing orcas eat? (it dosent have to be from the powerpoint)
Answers will vary
What organ do orcas use for echolocation
the melon
In 1950 what was the population of orcas in the salish sea?
150
do orcas give birth to live young or eggs?
Live young
what are some effects of the orca ingesting plastic
Blockages
Internal injuries
starvation
Can porposises use echolocation?
Yes
How many oceans are orcas found in?
All of them (5)
what are the three types of orcas
Transient
Residential
Offshore
what is the process where toxins are moved up the food chain, increasing every time?
Biomagnification
Name two types of whales in the salish sea
Humpback
Minky
Grey
What are the problems orcas face?
Overfishing
Toxins
Pollution
noise