What features do animals in the phylum chordata have in common?
All of the animals in the phylum chordata have three or more of the five distinct internal and external characteristics:
-Notochord: A rod of cartilage that extends down the back of the animal which develops into a spinal column.
-Dorsal neural tube or spinal cord:This is a part of the nervous system.
- Pharyngeal slits: Part of the digestive system which ables them to collect food. The aquatic animal breathes in water, and this organ filters the food particles into their stomach and releases the water back out.
-Endostyle: This regulates the salt and iodine levels in aquatic animals.
- Post anal tail: This is a fin or rod-shaped tail located behind the anus of the animal. Its purpose is to help in the movement of the animals.
What are the six classes that the phylum chordata is split into?
The Phylum Chordata is split into 6 classes, displayed in the pictures.
What is the closest living relative to a giraffe?
The closest living relative to a giraffe is a Okapi.
The okapi has a similar body shape to a giraffe. But the Okapi has a shorter neck then the giraffe in relation to its body size. It still shares distinctive feature of the giraffe like the fur, horns, teeth and tounge.
What guidelines should be followed to ensure that pet chicks are being treated in an ethical manner?
To keep the chicks healthy it is essential that the chickens are provided with the correct dietary requirements. A chick needs a balanced diet of protein, carbohydrates, fat, vitamins and minerals for a healthy body and shell. Lack of calcium can result in thin egg shells. I nutritious chickens diet should include insects, grains, berries, seeds and plants.
Chickens also require a constant fresh and clean water. The chicks need water during summer and winter to keep hydrated and healthy.
Chickens need protection from the element and diseases to stay alive and healthy. A distressed chicken becomes unhealthy. A snug and secure coop will offer shelter to the chickens and protect them from the weather.
Famous Scientific experiments that have been conducted using animals? Chickens were use in many test to recognize how the immune system works. Using chicks, they found that removing the bursa (a thymus organ at the tail end, similar to our appendix) They found that soon after the chickens hatches they saw that they still developed a normal immune system. They decided to use chickens because they have both a thymus and a bursa, so they were able to determine which organ functioned to created the immune system
What are the effects of cosmetic testing on animals?
Every year millions of animals are poisoned or killed in animal testing. Animal testing has been going since as long ago as the 1920s to test the toxicity of human products and effect their ingredients has on the animal. Rats, mice, guinea pigs, rabbits, and other animals are usual the most common animals used for animal testing.
The test can effect the animals eyes and skin due to their sensitivity. Most products being tested are skin products that can burn in skin if not correct. They test these effects on animals so that humans dont get the side effects of the products.