Seasons occur because:
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K-selected parental care:
K-selected parental care:
Warm land causes air to:
Warm land causes air to:
The first stage of primary succession often begins with:
The first stage of primary succession often begins with:
Pioneer species are important because they:
Pioneer species are important because they:
Mouth brooding frogs:
Mouth brooding frogs:
Early population stability was due to:
Early population stability was due to:
The 10% rule states:
The 10% rule states:
Biotic components include:
Biotic components include:
Demographic transition is:
Demographic transition is: