4 is the correct answer hope you get it right!!!
Answer:
Each component is in balance with the other components. As long as the components are in balance, the ecosystem can remain stable and healthy. Ecosystems may remain stable for many years if the different components are balanced.
i believe the answer to be B
Double layered nuclear, the outer nuclear membrane is continuous with the membrane of the rough endoplasmic reticulum (ER), it also continues with the inner nuclear membranes since the two layers are fused together at a numerous tiny holes called nuclear pores that perforate the nuclear enevelope
The thalamus is a bundle of about twelve nuclei in which every sense except smell has a synapse; it is the "gateway" to the cerebral cortex. The correct answer to blank above is "is a bundle of about twelve nuclei in which every sense except smell has a synapse; it is the "gateway" to the cerebral cortex".
