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6A Formative.Carry -A

Last updated almost 5 years ago
27 questions
1

1. An ecosystem can only support a _______ number of species before _____ begin happening

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Sometimes a healthy ecosystem can be damaged when..

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The carrying capacity

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What variables (limiting factors) can effect the carrying capacity

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Sturgeons eat __________ and gizzard shads

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What would limit the sturgeons growth or carrying capacity <2 answers>

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Biologists help regulate the number of sturgeon

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A thousand years ago there was only ______ people

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In 2011, the population grew to ___

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Drips of water being added to the glass represents

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As water drips out of the glass, it represents

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Today most people live in... <select all that apply>

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For centuries the population size stayed the same mainly because births were canceled out by...

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True or false: centuries ago most women that had babies would die before they could start families

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The worlds human population  reaches 1 billion at

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Better agriculture and better medicine slow

0

After 1804 people still die but

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We grew from 1 billion to 7 billion and it only took

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The UN says our population will level out or reach carrying capacity at..

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The question is if our earth can hold all those people. This depends on how well we can manage our..

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Sharks are essential to a healthy marine ecosystem because

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This keeps populations

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Sharks are being killed at 2-3 sharks every _______

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___ to ____ million sharks are killed per year

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Sharks are killed for their ___ which is used for soup

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Without sharks it's like living without an immune system

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