Aquatic plants like seagrass intake water by absorbing it.
Seagrass is more efficient at capturing carbon dioxide than tropical rainforests are. Like all plants, it needs water to grow. How do aquatic plants like seagrass intake water?
(1 point)
Responses
from groundwater below
from groundwater below
by absorbing it
by absorbing it
from photosynthesis
from photosynthesis
by using cohesion forces
9 answers
A farmer has just tested his well, and it has high alkalinity, which can affect a plant’s ability to absorb water. Which of the following BEST explains the source of this problem?
(1 point)
Responses
An algal bloom in a nearby pond is leaching into the watershed.
An algal bloom in a nearby pond is leaching into the watershed.
The groundwater is flowing through rocks containing carbonates.
The groundwater is flowing through rocks containing carbonates.
Acidic rain in the region is seeping into the groundwater.
Acidic rain in the region is seeping into the groundwater.
Nitrates from fertilizer have been poured into the groundwater.
(1 point)
Responses
An algal bloom in a nearby pond is leaching into the watershed.
An algal bloom in a nearby pond is leaching into the watershed.
The groundwater is flowing through rocks containing carbonates.
The groundwater is flowing through rocks containing carbonates.
Acidic rain in the region is seeping into the groundwater.
Acidic rain in the region is seeping into the groundwater.
Nitrates from fertilizer have been poured into the groundwater.
The BEST explanation for the high alkalinity in the well water is The groundwater is flowing through rocks containing carbonates.
As temperature increases in water, there is increased evaporation. Which of the following BEST explains why this happens?
(1 point)
Responses
Covalent bonds form.
Covalent bonds form.
Surface tension decreases.
Surface tension decreases.
Hydrogen bonds tighten.
Hydrogen bonds tighten.
Heat capacity lowers.
(1 point)
Responses
Covalent bonds form.
Covalent bonds form.
Surface tension decreases.
Surface tension decreases.
Hydrogen bonds tighten.
Hydrogen bonds tighten.
Heat capacity lowers.
The BEST explanation for increased evaporation as temperature increases in water is Surface tension decreases.
Yara is studying the predator–prey relationship between the moose and the wolf. What factors in the ecosystem is Yara studying?
(1 point)
Responses
zone factors
zone factors
optimal factors
optimal factors
continental factors
continental factors
biotic factors
(1 point)
Responses
zone factors
zone factors
optimal factors
optimal factors
continental factors
continental factors
biotic factors
Yara is studying biotic factors in the ecosystem.
Shaylene has fallen in love with a beautiful water lily. She has never had one before, so she asks the cashier at the flower shop for some advice about how to care for it. What will the cashier MOST likely advise Shaylene about her new aquatic plant?
(1 point)
Responses
Keep it in plenty of water.
Keep it in plenty of water.
Make sure it is in direct sunlight.
Make sure it is in direct sunlight.
Plant it into fertilized soil.
Plant it into fertilized soil.
Only water it once a month.
(1 point)
Responses
Keep it in plenty of water.
Keep it in plenty of water.
Make sure it is in direct sunlight.
Make sure it is in direct sunlight.
Plant it into fertilized soil.
Plant it into fertilized soil.
Only water it once a month.
The cashier will MOST likely advise Shaylene to Keep it in plenty of water.