These structures are called Vestigial structures, they resemble structures from the organism's ancestors, but don't have a real purpose for them now.
Pray this helps you :)
All the trophic levels are there, Number ten is asking you to find a chain that includes 7 organisms. Starting from:
Phytoplankton (Producer)
Herbivorous Zooplankton (Primary Consumer)
Carnivorous Zooplankton (Primary Con.)
Artic Char (secondary Con.)
Capelin (tertiary Con.)
Harbor Seal (Quaternary Con.)
Polar Bear(Quaternary Con.)
Answer:
O The Green revolution has caused a decrease in energy production.
O The Green revolution has led to many people dying of hunger
Explanation:
Mercury's seasons are difficult to determine. This is because it has virtually no tilt (0.03 degrees), but a highly elliptic orbit. ... Mercury also has a bizarre rotation, spinning three times (every 53 Earth days) over two rotations around the Sun, making it impossible to tell when one season begins and one ends.
Answer:
The synthesis of new proteins