Drips of water being added to the glass represents
Drips of water being added to the glass represents
1. An ecosystem can only support a _______ number of species before _____ begin happening
Sometimes a healthy ecosystem can be damaged when..
The carrying capacity
What variables (limiting factors) can effect the carrying capacity
Sturgeons eat __________ and gizzard shads
What would limit the sturgeons growth or carrying capacity <2 answers>
Biologists help regulate the number of sturgeon
A thousand years ago there was only ______ people
In 2011, the population grew to ___
Drips of water being added to the glass represents
As water drips out of the glass, it represents
Today most people live in... <select all that apply>
For centuries the population size stayed the same mainly because births were canceled out by...
True or false: centuries ago most women that had babies would die before they could start families
The worlds human population reaches 1 billion at
Better agriculture and better medicine slow
After 1804 people still die but
We grew from 1 billion to 7 billion and it only took
The UN says our population will level out or reach carrying capacity at..
The question is if our earth can hold all those people. This depends on how well we can manage our..
Sharks are essential to a healthy marine ecosystem because
This keeps populations
Sharks are being killed at 2-3 sharks every _______
___ to ____ million sharks are killed per year
Sharks are killed for their ___ which is used for soup
Without sharks it's like living without an immune system