Which are characteristics of fish? check all that apply.
endotherm
ectotherm
invertebrate
vertebrate
open circulatory system
closed circulatory system

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry