QUESTION:Which of the following can typically decrease genetic variation?
toxins
predator-prey relationships
competition
new habitat
disasters
increased food supply
ANSWER:
1. toxins
2.predator- prey relationships
3.competition
4.new habitats
5. disasters
Answer:
C - a geyser
Explanation:
When underground water and gases are heated by magma, they may shoot up to the surface as mud, water, or smoke, creating some very strange landscapes: Gases rise to the surface and form bubbling muddy pools of decomposed volcanic rock particles and water mixed together.
Answer:
The African savanna ecosystem is a tropical grassland with warm temperatures year-round and with its highest seasonal rainfall in the summer. The savanna is characterized by grasses and small or dispersed trees that do not form a closed canopy, allowing sunlight to reach the ground. The African savanna contains a diverse community of organisms that interact to form a complex food web.
