Question

In biology, Elona decides to test the effect of worms on plant growth. Plant group A contains soil with worms. Plant group B contains soil with no worms. Plant group A is the ___

Answer 1

Answer:

Worms often leave their nutrient-rich casts in their tunnels, providing a favourable environment for plant root growth. The tunnels also allow roots to penetrate deeper into the soil, where they can reach extra moisture and nutrients.

Answer 2

ᴘʟᴀɴᴛ ɢʀᴏᴜᴘ ᴀ ɪs ᴘᴇɴɪᴛʀᴀᴛᴇ ᴅᴇᴇᴘᴇʀ.