According to the etext reading for Marine Biomes, which of the following are reasons the ocean marine biomes are a challenging place for organisms to live? Question 1 options:

some areas are extremely dark and deep

all of the organisms have to live without sunlight

high waves can be rough and powerful

organisms have to be able to live in extremely salty conditions

Question 2 (1 point)
What are the adaptations of bottle-nosed dolphins that allows them to thrive in the marine biome?

Question 2 options:

narrow body to cut through waves

they can attach themselves to the sea floor during storms

they secrete gases to float in the water

paddle-like flippers for swimming

Question 3 (1 point)
The ocean biome consists of animals who live only in the water, some who live in and out of the water, and others who just visit the water for food.

Question 3 options:
True
False
Question 4 (1 point)
Which of these oceans remain frozen accept for part of the year, when the edges melt?

Question 4 options:

Artic

Pacific

Southern

Indian

Atlantic

Question 5 (1 point)
Which ocean is warmest because most of it lies in the tropics?

Question 5 options:

Pacific

Indian

Atlantic

Artic

Southern

Question 6 (1 point)
Most living organisms need to take in oxygen to survive. What is responsible for providing most of this oxygen in marine ecosystems?

Question 6 options:

seaweed

plankton

coral

fish

Question 7 (1 point)
Choose the best response on how sea otters and sea turtles deal with the salty ocean.

Question 7 options:

The sea otters have an extra large liver and the sea turtles have an extra large kidney.

The sea otters have an extra large lung and the sea turtles have an extra large kidney.

The sea otters have an extra large kidney and the sea turtles use their eyes to secrete salt.

The sea otters use their eyes to secrete salt and the sea turtles have an extra large kidney.

Question 8 (1 point)
Which of the following describes how jellyfish have a different adaptation to moving in the ocean than sharks and dolphins?

Question 8 options:

Jellyfish fill the top part of their body with water and squeeze the water out to move.

Jellyfish use their fins to push themselves through the water.

Jellyfish have a streamlined shape for moving.

Jellyfish use a tail to push up and down for swimming.

Question 9 (1 point)
What adaptation do most fish have to sink and dive?

Question 9 options:

a swim bladder

a swim kidney

a swim lung

a swim kidney

Question 10 (1 point)
Which of the following are seaweed adaptations that allow it to survive? (Choose all that apply).

Question 10 options:

fronts that allow them to bend with the waves

slime coating to prevent drying out

air-filled sacs on fronds for floating

cilia for movement in water

holdfasts to hold onto rocks