Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so without tearing the appendage off from the body. How would you describe its maneuverability? What are the limitations to motion of these walking legs? Given their small size and limited capacity for muscle attachment, how is it that this animal can use these appendages for motion? Describe the structural differencer boti

Q: Which vertebrates have reduced coracoids bones &/or clavicles?   What is the benefit of this change?…

A: vertebrate : an animal (as a fish, amphibian, reptile, bird, or mammal) that has a backbone…

Q: Describe wave summation in terms of incompletetetanus and complete tetanus

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: please explain in detail in your own words Why we need derived position. Aims  of Passive ROM…

A: There are few postural positions which are considered as basic positions and thus they are called…

Q: In what way do teleosts and other fish benefit from having a bony operculum?   it prevents water…

A: An operculum is a hard and bony flap-like structure It covers the gills of teleosts and other bony…

Q: Recall that if a muscle spans a joint, it must move the joint(and conversely, if a muscle doesn’t…

A: The hip flexors help equalize the posterior pelvic muscles. Three key muscles  become rigid and…

Q: why do we study exoskeletal structure and external anatomy of vertebrates?

A: Vertebrates belong to the subphylum vertebrata of the phylum chordata. There names are mainly…

Q: Based on similarities among forelimbs, what bones did the common ancestor of tetrapods probably…

A: Introduction : Homologous organs are those organs that have a common origin but different functions.…

Q: What are symphoses joints made of? Give three examples of symphoses joints

A: Joints are  the point where two parts of the skeletal system are associated with each other. These…

Q: Discuss Dropped Shoulder and Winged Scapula

A: Dropped shoulder syndrome (DSS) is the condition presented by the patients involved with symptoms of…

Q: The shell of a burrowing bivalve such as Venus (which we will dissect in lab next week) and the…

A: Exoskeleton is an external covering or supportive feature that is found outside of the animal which…

Q: Compare and contrast the number of openings, or orifices, and their functions in the pelvic girdle…

A: Bones forming pelvis are divided into greater and lesser pelvis.

Q: What do scientist infer from the similarities between these stuctures? Humerus- Radius Ulna-…

A: Introduction: Homologous organs are those that have similar structures and share common ancestors…

Q: Whereas some of the skeletal transitions to bipedality appear to be isolated adaptations, others…

A: Backbone in human beings is S shaped and vertebral colum are arrange in 5 sets   Seven cervical 12…

Q: Exoskeletonsa. are typical of vertebrates.b. are hydrostatic.c. must be shed periodically.d. are…

A: Answer is a.) are typical to vertebrates.

Q: How does the limb orientation of "advanced" tetrapods differ from that of "primitive" tetrapods? How…

A: Tetrapods are four-footed animals that belong to a group that comprises all vertebrates above the…

Q: Using the table, give at least 10 exoskeletons found in animals, source, its description and state…

A: Exoskeleton animals, often referred to as exoskeletal animals or arthropods, are a variety of…

Q: The following image is from a scientific publication by paleontologist Niel Shubin, who was part of…

A: Homologous structures such as organs or bones are the structures which posses similar anatomical…

Q: Compare the main types of vertebrate joints.

A: Answer: Introduction: The joints of the vertebral column, such as other characteristic joints,…

Q: Using the terms origin, insertion, and belly, describe how skeletalmuscles produce body movements by…

A: The muscular system is an organ system consisting of smooth, skeletal, and cardiac muscles. Its…

Q: Very few fossils of Sahelanthropus have been found up until now, therefore we do not have a complete…

A: The study of ancient hominin species is a fascinating endeavor that often relies on the recovery and…

Q: How did the vertebrate appendage evolve into the limbs we find so useful today?

A: The tetrapods consist of the a pair of forelimb and a pair of Hindlimb and these are supported by…

Q: Describe how the leg structure of the crayfish is modified to compensate for the limited motion of a…

A: Crayfish: The clade Astacidea, which also includes lobsters, includes crayfish, which are freshwater…

Q: In which ways does the limb orientation of "advanced" tetrapods differ from that of  "primitive"…

A: Tetrapods are the four limbed structure.And these limbs have derived from fins.The limbs of all…

Q: Identify the factors that limit rotation in the lumber spine explain how the limitation…

A: Introduction: The term vertebral column is used synonymously with spine, backbone, or spinal column.…

Q: what anatomical system of praying mantis and crab would you recommend as a target of attack and why?

A: Mantis is insect contains over 2,400 species in about 460 genera in 33 families.Mantis are found in…

Q: Give at least 10 exoskeletons found in animals, source, its description and state their embryonic…

A: Exoskeleton animals, often referred to as exoskeletal animals or arthropods, are a variety of…

Q: what are the three adaptations have to reduce body weight for flight

A: Birds are warm blood vertebrates belongs to Phylum Aves . Characteristics :-  a) They are egg Laying…

Q: What skeletal structures behind the mandibular arch in the dogfish appear to be homologous with the…

A: Dogfishes, belonging to the Order Squaliformes, are coastal sharks of 5 feet length. These species…

Q: Hoplophoneus primaevus Skeleton vs Siberian Tiger Skeleton vs Smilodon Necator Skelton Compare and…

A: The three distinct species Hoplophoneus primaevus, Siberian Tiger, and Smilodon Necator come from…

Q: Form reflects function” is a statement that applies to the skeletal system. What evidence can you…

A:

Q: Compare the bat to the bird

A: Birds and bat are distinct from each other. As birds are classified in aves group and they are…

Q: Categorize movements as gliding, angular, circular,special, or a combination of types.

A: Movements that are produced at the movable joints called the synovial joints can be categorized…

Q: Echinoderm skeleton consists of: An internal skeleton of calcium carbonate. O a. O b. An internal…

A: Endoskeleton- The hard part which is the internal support of the structure is called an…

Q: What percentage of the gait cycle is spent in double support.How is double support affected by…

A: Human gait can be characterized as a progression of substituting developments of the lower limits in…

Q: Please help me identify which of the following apply to the specimin I have attached in the images.…

A: The human skeleton has 206 bones, omitting teeth and sesamoid bones. There are 126 appendicular…

Q: Diapsids possess a single temporal ópening in their Skulils true false Other:

A: Diapsids are a group of amniote tetrapods. Modern diapsids include lizards, snakes, turtles, birds,…

Q: Weight is between fulcrum point ------and muscle force for example head- neck joint standing on the…

A: Fulcrum point: it is a fixed point around which movement occurs.

Q: Two insects find themselves in the unfortunate position where they need to defend themselves against…

A: The procuticle provides the strength of the exoskeleton. It is made up of protein and chitin, which…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.