Which structure is unique to vertebrates? (1 point)

Responses

limbs
limbs

brain
brain

backbone
backbone

skin

Vertebrate embryos(1 point)
Responses

develop different structures at the same rate.
develop different structures at the same rate.

go through the same developmental stages at different rates.
go through the same developmental stages at different rates.

go through the same developmental stages at the same rate.
go through the same developmental stages at the same rate.

develop the same structures at different rates.

Which is a similarity between a fish embryo and a bird embryo in the early stages of development? (1 point)
Responses

hindlimbs
hindlimbs

forelimbs
forelimbs

gill slits
gill slits

jaw bones
jaw bones

What is a similarity between a fish embryo and a human embryo in the late stages of development? (1 point)
Responses

They both have arms.
They both have arms.

They both have spines.
They both have spines.

They both have tails.
They both have tails.

They both have gills.
They both have gills.

1 answer

  1. Which structure is unique to vertebrates?

    • Backbone
  2. Vertebrate embryos

    • Go through the same developmental stages at different rates.
  3. Which is a similarity between a fish embryo and a bird embryo in the early stages of development?

    • Gill slits
  4. What is a similarity between a fish embryo and a human embryo in the late stages of development?

    • They both have spines.