Understanding Climate Change Impacts

At what timestamp do we learn why trees cannot produce enough resin during heatwaves and droughts?

• Because they are infested with beetles.

• Because they lack the water needed to make resin.

• Because the temperature is too low.

• Because they produce too much resin.

What happens to the American pika as summers get hotter?

• They hibernate earlier.

• They thrive and multiply.

• They struggle to regulate their body temperatures and move higher up the mountains.

• They adapt by developing heat-resistant fur.

At what timestamp does the narrator mention the ripple effects of climate change on ecosystems?

• 01:49

• 02:19

• 02:52

• 03:57

According to the video, what causes kelp forests to become a “zombie town”?

• The overpopulation of whales.

• An increase in bacteria that makes sea stars sick.

• The absence of birds to control sea urchins.

• The reduction of fish populations.

What impact does climate change have on sea stars, as explained at 03:25–03:57?

• They migrate to colder waters.

• Their muscles waste away due to less oxygen.

• They thrive due to increased bacteria.

• They adapt by eating seaweed.

At what timestamp does the video explain how plants respond to increased carbon dioxide levels?

• 06:04

• 07:07

• 08:11

• 09:13

How does high carbon dioxide affect plants like Pelargonium?

• It makes their flowers bloom longer.

• It makes them bloom two weeks earlier, potentially disrupting pollination.

• It makes them bloom later in the season.

• It has no effect on flowering.

At what timestamp do we learn about the impact of ocean acidity on marine life?

• 05:33

• 07:41

• 08:42

• 09:46

What is a significant consequence of high carbon dioxide on crops?

• They become tastier but smaller.

• They grow faster and become more nutritious.

• They grow faster but are less nutritious.

• They require less water to grow.

At what timestamp does the video discuss how climate change disproportionately affects low-income communities?

• 07:07

• 08:42

• 09:13

• 10:46