Which is a similarity between a fish embryo and a bird embryo in the early stages of development? (1 point)
Responses
jaw bones
hindlimbs
gill slits
forelimbs
The similarity between a fish embryo and a bird embryo in the early stages of development is the presence of gill slits.
One similarity between a fish embryo and a bird embryo in the early stages of development is the presence of gill slits. Both fish and bird embryos develop gill slits, which are used for respiration.
To determine the similarity between a fish embryo and a bird embryo in the early stages of development, we can first analyze the characteristics of each embryo.
A fish embryo goes through a process called embryogenesis, which begins with the fertilization of eggs and progresses through stages of development inside the egg. A bird embryo undergoes a similar process, with the egg being fertilized and then progressing through different stages of development.
Now let's examine the listed options:
1. Jaw bones: Fish embryos and bird embryos both develop jaw bones as part of their embryonic development. However, this is a characteristic specific to these two types of embryos and not present in other animals like reptiles or mammals.
2. Hindlimbs: While fish embryos do not develop hindlimbs, bird embryos do. Therefore, this characteristic is unique to bird embryos and does not apply as a similarity between fish and bird embryos.
3. Gill slits: Another similarity between fish embryos and bird embryos is the presence of gill slits in the early stages of development. Both embryos possess gill slits, which are structures that eventually either differentiate into gills in fish or regress and transform into other structures in birds.
4. Forelimbs: Fish embryos do not develop forelimbs, but bird embryos do. Consequently, this characteristic is specific to bird embryos and not common among fish embryos.
Based on the given options, the similarity between fish embryos and bird embryos in the early stages of development is the presence of gill slits. Therefore, the correct response is "gill slits."
Which is a similarity between a fish embryo and a bird embryo in the early stages of development? (1 point)
Responses
jaw bones
hindlimbs
gill slits
forelimbs