Answer:
the correct answer would be D or if not then B
Explanation:
For instance, light stimulation, heat stimulation, chemical stimulation, sound stimulation, etc. -The stimulus that comes from within an organism is the internal stimulus. Humor stimuli and neural stimuli etc (release of hormones such as thyroxine).
Answer:
1. Egg fertilized to form a zygote
2. Cell division in the zygote to form a morula
3. Cell division to form a blastocyst
4. Differentiation of cells in the blastocyst
5. Development of tissues
6. Development of organs
Explanation:
"Leydig Cells" secretes & synthesize androgens such as testosterone
Hope this helps!
Answer:
Responsiveness to the environment/adaptation. This is one of the 8 characteristics of living things.
Explanation: