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How many air sacs do birds have?
Birds typically have nine air sacs: two cervical air sacs, two anterior thoracic air sacs, two posterior thoracic air sacs, two abdominal air sacs, and one interclavicular air sac. These air sacs help birds efficiently exchange gases during respiration and aid in maintaining their lightweight body structure for flight.
What has more oxygen air sacs or blood?
Blood contains more oxygen than air sacs. Oxygen from inhaled air diffuses across the walls of the air sacs into the bloodstream, where it binds to hemoglobin in red blood cells for transport to tissues throughout the body.
What organelle consists of a sack of flattened sacs?
The endoplasmic reticulum look like flattened sacs.
Why is it more of an advantage to have lungs consisting of many small sacs?
The small sacs are alveoli which is where oxygen and carbon dioxide are exchanged
Why do pollen grains have air-sacs?
Pollen grains have air-sacs to help them float in the air and be carried by wind or insects for pollination. The air-sacs provide buoyancy and allow the pollen grains to be dispersed more effectively to reach other flowers for fertilization.
How many babies do black widows have?
Black widows can lay up to 400 eggs in a single egg sac, but on average they have around 250 eggs. Once the eggs hatch, the baby black widows will usually stay close to the mother until they are old enough to fend for themselves.
What use does the frog make of its vocal sacs during the breeding season?
allows male to produce a mating call.
Function of worms sperm sacs?
In worms, sperm sacs serve as the storage site for sperm produced by the male reproductive system. These sacs store the sperm until it is transferred to the female during mating, allowing for efficient fertilization of eggs.
How long does it take for a black widow to reach its gestation period?
Black widow spiders typically reach their gestation period after mating, which can take several weeks to a few months, depending on environmental conditions. The female can produce multiple egg sacs, each containing dozens of eggs, but the overall gestation period from mating to the hatching of the eggs usually lasts about 30 days. Factors such as temperature and food availability can influence the timing of this process.
What spiders lay spiky eggs?
Certain species of orb-weaving spiders, such as the wasp spider (Argiope bruennichi), are known to lay spiky or spiny egg sacs. These spiky structures help protect the eggs from potential predators.
What can you make out of ink sacs in minecraft?
Ink sacs can be combined with wool to make black wool. They can also be combined with 1x Bonemeal to make grey dye, and 2x Bonemeal to make light grey dye. You can also use an ink sac on a sheep to dye it black, meaning all wool shorn from it will be black.
How many eyes does the brown recluse spider have?
A black widow spider has eight eyes. The eyes are located in the front of the head and are arranged in two rows. Black widow spiders are very protective of their egg sacs but rarely bite humans.
Do black guys like KFC?
They Love It!
Do black widow spiders raise their young?
They often dump the egg sacs before they hatch.
When is Avril Lavigne's Black Star fragrance being released in Australia?
As soon as she finishes excreting it from her poison sacs.
What are storage sacs?
vacuole's are storage sacs
Are storage sacs?
vacuole's are storage sacs
