An Ecosystem Is Made Up of _______ and the Organisms

Q47: The total number of _ presently identified,

Q48: Of the species humans have catalogued, most

Q49: The biggest threat to biodiversity is<br>A) habitat

Q50: Which of the following changes could be

Q51: Without places to live, Earth's biodiversity will

Q53: Nonhuman species are<br>A) relatively expendable since other

Q54: Past extinctions often removed the most dominant

Q55: The canopy of the rainforest is the

Q56: The arrival and colonization by _ would

Q57: Prairies that have high biodiversity are<br>A) more