prophase I : homologous chromosomes are paired
metaphase I : the centrosome replicates
anaphase I: homologous chromosomes are separated
telophase I : nuclear envelopes form around separated chromosomes
Answer:
A
Explanation:
If it's a permeable membrane then it will allow certain molecules in. If it's impermeable then it won't allow molecules in. Therefore it is the deciding feature of whether something can go into the membrane.
Increase in thoracic volume, decrease in pressure
Answer:
food chain
Explanation:
The energy flow in an ecosystem in the form of food from one organism to other is food chain!
hope this helps! :)