Mattdogdmc12 Mattdogdmc12

21-04-2017
Biology

contestada

Which milestone in the evolution of animals classifies them as either vertebrates or invertebrates?

Respuesta :

21-04-2017

I could be wrong here, but I believe that the classification of vertebrates or invertebrates is based of if the organism in question has a central spinal column or just a spine at all.

Vertebrae - animal with spine

Invertebrate - animal w/o spine

Answer Link

24-05-2022

Answer:

development of a backbone

Explanation:

Answer Link

Otras preguntas

convert to fraction .34

find the volume of each sphere, both in terms of pi and to the nearest tenth. use 3.14 for pi

How many grams are in 2.4 moles of sulfur?

How do I solve 2(a+2)=2?

what the british government wanted?

Give this topic sentence : Swimming is really the health exercise anyone can do. What other detailed sentence you can say about the topic sentence.

find the area of a triangle with the following dimensions: a = 12 yards b=16 yards and c=24 yards round to the nearest square yard

How is the horizontal component of velocity for a projectile affected by the vertical component?

I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound

Do 1 gallon and 8 pints represents the same amount