67 million years ago in the form of phyollths (small sllica flecks in grass that make it difficult to digest)
Because for female sex link desease would require X°X° but for male X°Y so during crossing X linked dear are more common in male.
Ribosomes synthesize proteins
I believe the order is...
Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers
I hope this helps!
Explanation:
it helps the human to function properly
