Four haploid cells each chromosome containing 2 sister chromatids.
you are right, it's B.) 4 haploid cells
Answer: Plants, from their roots, suck up nitrogen compounds. These compounds are obtained by animals as they consume plants. The nitrogen compounds in the organic matter re-enter the soil when plants and animals die or when animals excrete waste, where they are broken down by microorganisms, called decomposers.
Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.
Answer:
I'll take a gander at your question.
Explanation:
Your answer should be Models are simplified representations of objects or systems.
All a Scientific Model is, is a representation/presentation of what a project will look like/how it works/ how it will work
Answer:
a. Hormones can persist much longer than electrical signals
Explanation:
Althought hormonal response is slower than electrical signals it affects a large number of organs and sistems. Example: electrical signals are for the openening or closing channels of sodium/potassium wich causes ionic differences on the cells producing quick reponses like movement or blood pressure changes. Meanwhile hormonal response control larger sistems and more complex process like pregnancy
