1. evolution sex produces offspring
I think it is either A or B but I am not sure. I know a catalyst increases the rate of a chemical reaction but I don't think it is B because I dont believe that an enzyme is shaped to interact with certain molecules. I would go with A or C. The choice is yours.
Answer:
Explanation:
human activities should no be more than the capacity of ecosystem
we should pay attention to carrying capacity of eco system
another one i don't no sorry for that
hope you like my answer and hope it helps you
Pretty sure their big beaks scare away the predator or they bite the predator.
Answer: Diploblastic animals have radial symmetry.
Phylum porifera lack body symmetry and are therefore call asymmetrical this is because their bodies lack true tissues, true organs and there body is well adapted for water and water flows through their body and deposit nutrients needed for growth and development.
Explanation:
Diploblastic organisms meaning organisms that have two germ layers(ectoderm and endoderm) have radial symmetry because their symmetry is located along a central axis examples are the sea anemone and jelly fishes belonging to phylum cnidarians.
Phylum porifera e.g sponges are assymetrical that is they have no body plans and this is because the shapes of their bodies is adapted to water and water flow allow nutrients to enter their body for growth.
