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Invertebrates
Invertebrates are animals that lack a spinal cord, such as insects. Ask questions here about these organisms that make up 95 percent of all animal life.
1,408 Questions
How can you identify a invertebrate?
Arthropods are invertebrates (animals without a backbone) with jointed legs and a hard exoskeleton (external skeleton). Within the arthropod group are insects (six legs), arachnids (eight legs), crustaceans (variable number of legs) and myriapods (millipedes and centipedes - many legs).
Which invertebrate group has 6 legs?
Inscts Insects. Because they have no backbone and they have 6 legs!
The word cnidarian mean stinging cells why is this a good name for this group?
This is a good name for this group because i consists of jellyfish that use their stinger for defense.
Can a snake could be classified as invertebrate?
Nope - ALL snakes are vertebrates. They have a skull, spine (running the entire length of their body, and 300-400 pairs of ribs.
List of animals with jointed legs?
Jointed legs only appeared (as far as I know) twice in the animal kingdom:
- Tetrapods (ex. caecilians, snakes) - Literally "four feet" in Greek, this group includes amphibians, reptiles, birds, and mammals. Some lines, like the caecilians and the snakes, secondarily lost their limbs, but they are included as tetrapods due to evolutionary kinship and other shared characteristics, like having a neck. All descend from the 375-million-year-old "fishapod" Tiktaalik, which first bore limbs and a neck.
- Arthropods - This phylum of animals actually means "joint-legged", and includes the insects, arachnids, crustaceans, centipedes and millipedes, trilobites, horseshoe crabs and sea scorpions, and many others. This group is defined (as the name indicates) by its members having jointed legs and, to keep it separate from the tetrapods, a chitinous armour.
Is a butter fly an vertebrate or an invertebrates?
All butterflies are invertebrates. They have exoskeletons, meaning that their physical support structure is on the outside of their bodies instead of on the inside.
How do the skeletons of vertebrates differ from the skeleton of most invertebrates?
The word vertebrae actually means back bone. so a vertebrate has a back bone, like most mammals, and invertebrate means the animal has no backbone, like insects, crustaceans, and jellyfish
The word invertebrate means with no backbone, whereas vertebrate means with a back bone. People and most animals are vertebrates and most spiders and insects are invertebrates.
What is the name of the bug found in the housse tiny with legs and stripes?
You need much more information to identify an insect.
What are the colors of the different species of daddy long legs?
Cellars spiders are often confused with Harvestmen and Crane Flies. "Daddy long legs" is too broad a term to use, as they are all different creatures with different attributes. Scientifically, there is no animal called a Daddy Long Legs.
What are cnidarians' adaptations?
One adaptation of a cnidarian is the ability to regrow an entire body part. They also use stinging tentacles to catch prey. Jellyfish are cnidarians.
Adaptations? Stinging tentacles (cnidoblasts) - pronounced nie-doe-blasts - sensitivity to light, pulsing motility, life cycle stages that take advantage of protected and food rich environments.
Why are invertebrates animals important to baleen wales?
Baleen whales eat nothing but plankton, mainly krill, which is a very small type of invertebrate; to be exact, it's a tiny shrimp (arthropod ==> crustacean). They sift these tiny shrimps out of the sea water through their baleens. Whales generally migrate with the huge swarms of plankton, utterly dependent on them.
Are ninety-five percent of animals on earth invertebrates?
I do not know if there is an exact percentage, but I do know that the of the known species, the most are invertebrates. This is because bugs are invertebrates. There are so many different species of bigs, just the insects alone, that we cannot find and name them all. Also you have many other groups of invertebrates.
Yes: a walrus is a vertebrate. Vertebrates are animals that have a backbone and an internal skeleton, and they include all mammals, birds, fish, reptiles and amphibians. Walruses are mammals, and are therefore vertebrates.
What characteristic is common to all invertebrates?
Some invertebrate characteristics are shared across the board. For example, the one main characteristic that sets them apart from other animals is their lack of a backbone and spinal column. Also, despite the fact that they are multi-cellular, they in fact lack cell walls.
Due to their lack of complex skeletal system, invertebrates also tend to be smaller and slow moving in nature, but there are of course exceptions. Giant squids, for example, can grow to be upwards of 17 yards long, 2,200 pounds, and can reach speeds of 35 miles per hour.
Their lack of backbones and complex nervous systems make it very difficult for invertebrates to be adaptive to multiple environments as well. This is not to say that they all float in the ocean. Invertebrates can be found in myriad climate zones, ranging from dry deserts to swamplands. In fact, they essentially span the entire globe and even make up 98% of all the living creatures on this planet.
Most shellfish should not be reheated, as the threat of botulism is high for them.
Chickens are birds, who hakes them vertebrates. All birds are vertebrates. They have a spine and spinal cord, and an internal skeleton. They belong to the Phylum Chordata.
Mammals, birds, fish, reptiles and amphibians are all vertebrates.
There is no such organism known strictly as a "tubular worm." However, members of the genus Lamellibrachia, family Surpulidae, family Sabellidae, phylum Phoronida, order Microconchida or Riftia pachyptila (Giant Tube Worm), can be referred to as tube worms.
"Tubular worms" may also refer to parasitic worms or helminths including cestodes, trematodes and nematodes. These parasitic protozoans latch onto hosts using sharp mouthparts or dental plates, and could ostensibly be referred to as "tubular worms" because of their cylindrical appearance.
Invertebrates are animals without a backbone.
Invertebrates are animals without backbones.
Antonym: Vertebrate meaning animals with back bones or vertebrae.
