I think water + mineral salts as they are not organic. So therefore in my opinion i would say B
Grass - producer
Aphid - primary consumer
Ladybird - secondary consumer
Swallow (bird) - tertiary consumer
They develop on the undersides of leaves.
Answer:
It's like a transporter or a Post Office, sending stuff out
Explanation:
G o o g l e
and science class
Answer:
This article discusses a group of scientists who are studying an ecosystem. What ecosystem are the scientists studying? A the Hudson River ecosystem.
Explanation: