Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms.

How does the biological activity of lichens cause weathering in rocks?
Answer options with 4 options
A.
Lichens cause friction as they grow, which weathers the rocks.
B.
Lichens produce chemicals, which dissolve and weather the rocks.
C.
Lichens take in water, which freezes in cracks and weathers the rocks.
D.
Lichens absorb heat during photosynthesis, which weathers the rocks.

Answer: Whats the drawing

Explanation:

Answer:

calcium and phosphorous,

Explanation:

which can given up if the body requires the minerals for others functions

Answer:

Explanation:

It's a true statement as,

Hence, we can conclude that breathing involves the movement of diaphragm and Rib cage.

Yes,very true! This is very true because out lungs are around our rib cage,and our lungs is where we breath. For example,right now take a breath in.....Hold.... and out. And one more time. Your lungs are moving in your rib has you do that!

Hope this explains better :)

~Learning with Natalia~

Answer:B Natural

Explanation:Camouflage is a adaptation which animals use to blend in with their surroundings in order to protect themselves from the predators and hunters. This also gives them a better chance of survival and easy mode of hunting for food.

For example: white fox hides in the snow from the predators

Camouflage is a clear example of Physical or Structural adaptations.

-Body shape, color and body patterns are the adaptations that assists both predators and prey to camouflage

-As in the example mentioned, the polar bear with its white fur hides in the snow and waits for the right time to attack its prey without being seen

Hope it helps!!