There are so many species in the millions of years discovering each one. Classifying is one way that organizes all types of species into categories, knowing what they are, their characteristics, their habitat, etc
Answer:
a identification key
Explanation: because it identifys you
All their children will have heterozygous genes because squidward is "purebred", or homozygous dominant. His wife has to be homozygous recessive for a recessive trait to show up. Every time you cross a homozygous dominant trait with a homozygous recessive trait, you will get heterozygous kids. This means all of them will have light blue skin.
The heart is a hollow cone shaped muscular pump within the thoracic cavity
Answer:
E) Ca2+ from the sarcoplasmic reticulum binds to troponin
Explanation: