1. Polar bears hunt for ringed seals by waiting for them to emerge from breathing holes in the ice. Which abiotic change may decrease a polar bear’s ability to hunt? (1 point)
a. increased competition
b. increased seal population
c. increased temperatures
d. increased ice cover
2. Ringed seals give birth in lairs carved out of packed snowdrifts. Which abiotic change may increase pup mortality?(1 point)
a. reduced polar bear population
b. reduced snowfall
c. reduced temperatures
d. reduced carbon dioxide
3. Which component of a marine ecosystem is abiotic?(1 point)
a. dolphin
b. algae
c. water
d. shark
4. Climate change has increased the mean temperature in central Europe. How might bird populations respond to this change?(1 point)
a. lay more eggs
b. move their range south
c. move their range north
d. change their diet
5. What changes to whooping cranes' environment almost wiped out the species in North America in the early 1900s?(1 point)
a. People drained wetlands and hunted cranes.
b. People nearly wiped out opossums and rabbits.
c. People drilled oil wells and let pythons loose.
d. People dug canals and sold cranes as pets.
CAN YALL HELP PLZZZ IM TAKING THE QUICK CHECK RN THANK UU
lol sorry i forgot to post my answers:
1. Polar bears hunt for ringed seals by waiting for them to emerge from breathing holes in the ice. Which abiotic change may decrease a polar bear’s ability to hunt?
Answer: Increased temperatures
2. Ringed seals give birth in lairs carved out of packed snowdrifts. Which abiotic change may increase pup mortality?
Answer: Reduced snowfall
3. Which component of a marine ecosystem is abiotic?
Answer: Water
4. Climate change has increased the mean temperature in Central Europe. How might bird populations respond to this change?
answer: move their range north
5. What changes to whooping cranes' environment almost wiped out the species in North America in the early 1900s?
answer: People drained wetlands and hunted cranes.
these are the answers take it or leave it IDC 😁
100% trust me!
1. Polar bears hunt for ringed seals by waiting for them to emerge from breathing holes in the ice. Which abiotic change may decrease a polar bear’s ability to hunt? (1 point)
Answer: Increased temperatures
2. Ringed seals give birth in lairs carved out of packed snowdrifts. Which abiotic change may increase pup mortality? (1 point)
Answer: Reduced snowfall
3. Which component of a marine ecosystem is abiotic? (1 point)
Answer: Water
4. Climate change has increased the mean temperature in Central Europe. How might bird populations respond to this change? (1 point)
Answer: Move their range north
5. What two factors are negatively affecting coral reefs due to climate change?(1 point)
Answer: Higher ocean temperatures and more acidic waters
I wouldn't steer a fellow Jiskha person wrong! Trust me.
💖
What two factors are negatively affecting coral reefs due to climate change?
Higher ocean temperatures and more acidic waters
i will give you my answers when i finish
My question 5 is different ya'll.
Q 5. What two factors are negatively affecting coral reefs due to climate change?(1 point)
Higher ocean temperatures and more acidic waters
Higher ocean temperatures and less acidic waters
Lower ocean temperatures and more acidic waters
Lower ocean temperatures and less acidic waters