Question

read the passage. there are several questions about this passage.

4

trees—or the roots themselves may be interconnected. in the case of the stump i had stumbled upon, i couldn’t find out what was going on, because i didn’t want to injure the old stump by digging around it, but one thing was clear: the surrounding beeches were pumping sugar to the stump to keep it alive.

if you look at roadside embankments, you might be able to see how trees connect with each other through their root systems. on these slopes, rain often washes away the soil, leaving the underground networks exposed.

scientists in the harz mountains in germany have discovered that this really is a case of interdependence, and most individual trees of the same species growing in the same stand are connected to each other through their root systems. it appears that nutrient exchange and helping neighbors in times of need is the rule, and this leads to the conclusion that forests are superorganisms with interconnections much like ant colonies.

of course, it makes sense to ask whether tree roots are simply wandering around aimlessly underground and connecting up when they happen to bump into roots of their own kind. once connected, they have no choice but to exchange nutrients. they create what looks like a social network, but what they are experiencing is nothing more than a purely accidental give and take. in this scenario, chance encounters replace the more emotionally charged image of active support, though even chance encounters offer benefits for the forest ecosystem. but nature is more complicated than that. according to massimomaffei from the university of turin, plants—and that includes trees—are perfectly capable of distinguishing their own roots from the roots of other

this question has two parts. answer part a, and then answer part b.

part a

this sentence is from the passage.

\but together, many trees create an ecosystem that moderates extremes of heat and cold, stores a great deal of water, and generates a great deal of humidity (paragraph 6)\

what does the word moderates mean as it is used in paragraph 6?

1. creates
2. lessens
3. shares
4. supports

part b

which excerpt from paragraph 6 best supports the

Explanation:

For Part A: The word "moderates" in the context of controlling heat and cold extremes means to reduce or make less intense.
For Part B: (Note: Paragraph 6 is not fully shown, but based on the passage's theme of tree interdependence, the excerpt that aligns with the meaning of "moderates" would be text describing trees lessening environmental extremes. However, since the full paragraph 6 is missing, we focus on the available Part A first, and assume for Part B the relevant excerpt would support the idea of reducing extremes. But based on the visible options for Part A, the correct definition is "lessens".)

Answer:

Part A: 2. lessens
Part B: (Full paragraph 6 is not provided to identify the exact excerpt, but the correct excerpt would be the text that describes trees reducing the intensity of heat/cold extremes in the ecosystem.)