New Flashcards
Science (28 cards)
What are the two main categories of animals?
Invertebrates and vertebrates.
True or False: Invertebrates have a backbone.
False.
Fill in the blank: Animals without a backbone are called _______.
Invertebrates.
What is the primary characteristic that defines vertebrates?
The presence of a backbone or spinal column.
Which group of animals includes species such as jellyfish and worms?
Invertebrates.
Name one example of a vertebrate.
Mammals, birds, reptiles, amphibians, or fish.
True or False: All invertebrates are aquatic.
False.
What percentage of animal species are invertebrates?
Approximately 95%.
Which class of vertebrates is known for laying eggs on land?
Reptiles.
What is a common feature of arthropods, a subgroup of invertebrates?
Exoskeleton made of chitin.
Multiple choice: Which of the following is NOT a vertebrate? A) Shark B) Octopus C) Eagle D) Frog
B) Octopus.
Fill in the blank: The study of invertebrates is called _______.
Invertebrate zoology.
True or False: All vertebrates have gills at some stage of their life cycle.
False.
What is one way invertebrates contribute to ecosystems?
They play roles in pollination, decomposition, and as a food source.
What type of symmetry do most vertebrates exhibit?
Bilaterally symmetrical.
Which invertebrate is known for its ability to regenerate lost body parts?
Starfish.
What is the main difference in the reproductive strategies of invertebrates and vertebrates?
Invertebrates often have external fertilization while vertebrates may have internal fertilization.
Name the largest group of invertebrates.
Arthropods.
True or False: Vertebrates have a closed circulatory system.
True.
What is an example of a filter-feeding invertebrate?
Sponge.
Multiple choice: Which of the following is a characteristic of mammals? A) Lays eggs B) Cold-blooded C) Hair or fur D) Lives in water
C) Hair or fur.
Fill in the blank: The group of vertebrates that undergo metamorphosis is _______.
Amphibians.
What is the primary habitat of most invertebrates?
Aquatic environments, though many also inhabit terrestrial environments.
True or False: Worms are classified as invertebrates.
True.