The part of the alimentary system of a bird where food is ground into small particles is the?
cloaca
stomach
crop
gizzard
Correct answer is D
The gizzard is the mechanical stomach of a bird. It is located just after the true or glandular stomach in the gastrointestinal system. Since poultry have no teeth and swallow food whole, this muscular organ, sometimes called hen's teeth, mechanically grinds and mixes the bird's feed.
Which of the following is an example of carnivorous plant?
hydra
bladderwort
yeast
spirogyra
Correct answer is B
Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods.
Examples are:
Bird toes suitable for digging have claws that are?
blunt
curved
hooked
sharp
Correct answer is A
Fowls have blunt nails for scratching the ground for:
*forage
*dust bath
*nest preparation
The feature that makes locomotion in water easy for fish is the?
scaly body
slimy body
streamlined body
lateral line
Correct answer is C
Fish are streamlined because the streamlined shape helps them move through the water with the least amount of resistance/friction.
A blue-green algae is not a protophyte because?
it is aquatic
its cells are prokaryotic
it cannot move
it is not a green plant
Correct answer is B
Nostoc is a procaryotic blue-green algae.