The cell wall is strong an the cell membrane isn't
Answer:
C
Explanation:
Mutualism is a relationship between two parties where <em>both parties </em>are benefited.
This means the answer would be C- "Ants feed on aphid wastes and protect the aphids from predators."
The <em>ants</em> benefit from a feeding source.
The <em>aphids</em> benefit from predator defense.
<u>In answer C, both parties are benefited, so this is mutualism!</u>
The groups of small cells better than one large cell at moving material in and out because they have a greater surface-to-volume ratio.
<u>Option: A</u>
<u>Explanation:</u>
This happened so as these smaller cells, unlike bigger cells, can quickly and willingly enter and move through the membranes of other cell membranes and permeable coverings. For these smaller and mini cells, it is also important to penetrate and move effectively, distribute and transport products and materials such as nutrients, oxygen and waste across the body without requiring enough energy and saving less space. They are cheaper, more effective and use less room for simple reasons, and most notably deplete less resources.
Answer:
Fertile soils teem with life. Porous loamy soils are the richest of all, laced with organic matter which retains water and provides the nutrients needed by crops. Sand and clay soils tend to have less organic matter and have drainage problems: sand is very porous and clay is impermeable.
Answer:
b
Explanation:
the summer solstice is in June and it lasts until September, therefore while it's summer in the Northern hemisphere, its winter in the Southern.