The animal kingdom is divided into two small groups name these two smaller groups and give examples of each include the characteristics that all animals share

vertebrate and invertebrates

Explanation:

All Vertebrates  have a skeletal structure with a spinal backbone and well developed internal skeleton made up of bones and cartilage while Invertebrates have no backbone.

Vertebrate include fish, amphibians, reptiles, birds and mammals. Invertebrates include worms and jellyfish, spiders and crabs.

common characteristics among vertebrates and invertebrates

○ multi-cellular.

○ heterotrophs (cannot make their own food) and must get their energy by consuming plants or other animals.

○ obtain food and oxygen for energy,

D. 689. 42

Explanation:

The equation to calculate the total including the initial principal plus interest is , where the following is true:

A= Total (principal plus interest)

P= Principal ($500)

R= Rate (5.5% in decimals = 0.055)

n= Compound (Annually -- 1 year)

t= Time in years (6 years)