Transcript Biomes - Science

Define
BIOME
This screen will disappear in 3 minutes.
140
120
130
30
40
50
60
70
10
2
3
4
5
6
7
8
9
0
180
20
160
90
150
170
100
110
180
Seconds
Remaining.
Large geographic areas that have similar
climates and ecosystems.
A cactus has many adaptations in
order to survive in its desert
environment.
– Identify two adaptations of a
cactus that help it survive best in a
desert environment, rather than in
a different type of environment.
This screen will disappear in 3 minutes.
140
120
130
30
40
50
60
70
10
2
3
4
5
6
7
8
9
0
180
20
160
90
150
170
100
110
180
Seconds
Remaining.
Some cactus plants have needles. Needles keep
the cactus from losing a lot of water through
transpiration from the wide surface of a larger
leaf. A cactus also has a root system
composed of deep and shallow roots. The
deep roots obtain water when there has not
been rain, and the shallow roots collect water
at the surface when it does rain.
The African elephant has many adaptations that
help it to survive in the tropical forest and grassland
environments that it lives in.
– Identify two physical adaptations of the elephant
that help it to survive in Africa.
– Explain how the two adaptations you selected
help it to survive in Africa.
This screen will disappear in 3 minutes.
140
120
130
30
40
50
60
70
10
2
3
4
5
6
7
8
9
0
180
20
160
90
150
170
100
110
180
Seconds
Remaining.
An elephant has a long, flexible trunk that is used to help
the elephant obtain food. The trunk can reach high
branches and pull them down so that the elephant can
eat the leaves from the branches.
An elephant also has large ears that help to keep the
elephant cool. The large surface area of the ears,
combined with the numerous blood vessels in the ear,
allow the elephant to release body heat from its ears
to cool its body.
The hard shell of some mollusks enables them to
survive in tidal pools. Tidal pools are found along
rocky coasts. In tidal pools, water from high tides
can collect in depressions in the rocks when the
tide recedes, forming pools of water. These tidal
pools can empty during low tides.
– Describe two ways that the shells of a mollusk
allow it to survive in a tidal pool.
This screen will disappear in 3 minutes.
140
120
130
30
40
50
60
70
10
2
3
4
5
6
7
8
9
0
180
20
160
90
150
170
100
110
180
Seconds
Remaining.
The water level in tidal pools changes from high
tide to low tide. At times, the mollusks are
exposed to air. During these periods, the
shells protect them from predators and keep
them from drying out.