<span>There are differences in the structures of bird and insect wings because b</span>irds are vertebrates and, therefore, have internal structural members. Insects are invertebrate and have external structural members.
The answers is chromosomes
Answer:
In asexual reproduction all the genes in the offspring come from one parent. In sexual reproduction one full set of the genes come from each parent. Living things produce offspring of the same species, but in many cases offspring are not identical with each other or with their parents.
Explanation:
The answer is a person removes their hand after touching a hot stove and a person turns their head toward the source of loud noise.
External stimuli are factors outside of the body that is taken in by receptors and will lead to a response. Examples of external stimuli include temperature changes, vision, hearing, tasting, smelling, and even sunlight for plants.
Learn more about External stimuli here:
brainly.com/question/11557304
#SPJ4