Answer:d
Explanation:only plants have cell walls
Answer:
If isolated from a eukaryotic cell, mitochondria can survive and reproduce on their own.
Answer:
Controls the amount of light passing through the specimen. Found between the objective lenses and the ocular lenses.
Explanation:
The diaphragm, is the part of the microscope that works like in a camera, is an opening that regulates the quantity of light that passes through the specimen, and this is useful because in this way the specimen can be easily seen some structures like certain organelles.
It is localized normally in the base, between the light source and the sample, so it can regulate the quantity of light.
Answer:
The bird's respiratory system consists of paired lungs, which contain static structures with surfaces for gas exchange, and connected air sacs, which expand and contract causing air to move through the static lungs
Explanation: