11. The diagram below represents two single-celled organisms. These organisms carry out the activities needed to maintain homeostasis by using specialized internal..

O organs
O organelles
O tissues
O systems

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?