You are presented with the question "What are vertebrates?" and the following answer choices: - voles - pigs - otters - fish - toads - koalas - Birds - humans Now knowing that fish have a centralized nervous system with a brain and vertebrates have the most defined and developed nervous system, choose the best answer.
fish

You are presented with the question "Invertebrates are animals that lack a what?" and the following answer choices: - Chlorophyll - Epidermis - pair of legs - small bones - cartilage - an organism's body - support column - epidermal Now knowing that invertebrates are animals that lack a vertebral column, or backbone and all of the vertebral bodies act as a support column to hold up the spine, choose the best answer.
support column

You are presented with the question "Fall begins as deciduous trees lose their leaves when?" and the following answer choices: - It becomes dormant - Plant growth is reduced - in the autumn season - deforestation - Physical weathering - in the winter season - in the spring season - in the freezing season Now knowing that the color of leaves on deciduous trees usually changes in the autumn season and fall colors begin as deciduous trees lose their leaves, choose the best answer.
in the autumn season