Evolutionary Biology and Comparative Anatomy Lecture
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Evolutionary Biology and Comparative Anatomy Lecture - Marcador
Evolutionary Biology and Comparative Anatomy Lecture - Detalles
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Preguntas:
138 preguntas
🇬🇧 | 🇬🇧 |
Blastopore is formed during blastula stage. (True/False) | False. It is formed during gastrulation stage. |
Avian development progresses in this manner. | Meroblastic, unequal cleavage |
Is a cavity found within a Blastula. | Blastocoel |
The individual daughter cells are called blastula during cleavage. | False. It is called blastomere not blastula. |
This is the potion where the notochord forms. | Dorsal wall of archenteron |
_____ derives from ectoderm that rolls into a hollow tube during development. | Dorsal hollow nerve cord |
Matching type: Process of gamete formation: The union of haploid cells (gametes) to form a diploid zygote: Blastula formation: Formation of the three primary gem layers: Formation of the neural tube: Choices: Cleavage Fertilization Gametogenesis Gastrulation Neurulation | 1st: Gametogenesis 2nd: Fertilization 3rd: Cleavage 4th: Gastrulation 5th: Neurulation |
Amphioxus is classified as vertebrates | False. It is classified as an invertebrate subphylum Cephalochordata of the phylum Chordata. |
Matching type: Urochordata: Cephalochordata: Myxini: Cephalasphidomorphi: Ascanthodians: Choices: Hagfish Lamprey Lancelets Sea squirts Spiny fishes | 1st: Sea squirts 2nd: Lancelets 3rd: Hagfish 4th: Lamprey 5th: Spiny fishes |
_____ is the process by which sperm cells are formed. | Spermatogenesis |
Which of the following describes the blastula development in frogs or anurans? | Blastomeres are larger in vegetal pole than animal pole. |
Turtles, snakes, lizards, and alligators are endothermic organisms. | False. They are ectothermic organisms. |
These animals have a sac body plan. | Schizocoelomates |
Why is it advantageous for a deuterostome animal to possess body cavity? | This provides an organized compartment for placing of organs. |
Which of the following is true about the body plan of chordates? | They have pharyngeal pouch. |
Shark, skates and rays belongs to Class _____. | Chondrichthyes |
Which of the following is true about amphioxus development? | Holoblastic cleavage, microlecithal eggs. |
Properties of Muscle Tissue | Electrical excitability Contractility Extensibility Elasticity |
The ability to respond to certain stimuli producing electrical signals such as action potential | Electrical Excitability |
The ability of muscle tissue to contract forcefully when stimulated by an action potential | Contractility |
It separates the muscle from the skin | Superficial Fascia (Subcutaneous Fats) |
It contains adipose tissue that insulates the body | Superficial Fascia (Subcutaneous Fats) |
It lines the body walls and the limbs | Deep Fascia |
It allows free movement of muscles, carries nerves, blood vessels, and lymphatic vessels. | Deep Fascia |
Three layers of connective tissue that extend from the deep fascia: | Epimysium Perimysium Endomysium |
Surrounds group of 10 to 100 or more individual bundles of muscle fibers called a fascicle | Perimysium |
Surrounds the individual skeletal muscle fibers (fascicle) and interconnects adjacent muscle fibers | Endomysium |
Parallel | Rectus |
Attached to the temporal bone | Temporalis |
Largest | Maximus |
Smallest | Minimus |
Long | Longus |
Short | Brevis |
Two origins | Bicep |
Three origins | Tricep |
Triangular | Deltoid |
Rhomboid | Rhomboideus |
Origin: scapula Insertion: deltoid ridge of the humerus | Scapulohumeralis |