8)Let's say that the an experiment is planned to test the following hypothesis: Sea urchin fertilization will go down as temperature rises What will be the independent & dependent variables in this experiment? Dependent variable---(a Number of urchins used)(b Concentration of carbon dioxide)(c Fetilization rate)(d Proportion of male & female urchins used)(e Species of urchins used)(f Water temp)(g Air temp) Independent variable---(a Number of urchins used)(b Concentration of carbon dioxide)(c Fetilization rate)(d Proportion of male & female urchins used)(e Species of urchins used)(f Water temp)(g Air temp)

Q: What cells are found in each tissue type? X. Y.

A: Chondrocytes  is term used for cartilage cell , they are building block of the cartilage…

Q: The 72-hr Chick Embryo Whole Mount (SEE IMAGE) Again, before mounting your slide on the microscope…

A: In the 72 hour embryo, area opaca and area pellucida can not be seen Size of the extra embryonic…

Q: Which of the following is not an important component of the slow block to polyspermy Group of…

A: By reweaving the question, we have to find out which of the following is not an important component…

Q: Which of the following steps of sea urchin fertilization initiates the formation of the…

A: Fertilization is the union of male ( spermatozoa ) and female ( ovum ) gametes which results in the…

Q: The change of successful fertilization is approximately 18% in every cycle. Why does this statistic…

A: c. Vagina is very acidic, killing many sperms. this statement seems to be false.

Q: Which of the following is TRUE about neurulation? (Check all that apply) A The detail mechanism…

A: Introduction :- Neurulation is the folding process in vertebrate embryo which includes the…

Q: What will be the independent & dependent variables in this experiment?

A: 1. Dependent variable -   a. a Number of urchins used   b.  Concentration of Carbon dioxide  c.…

Q: question: based on the graph, how could you best describe the relationship between the egg size…

A: Researchers can get insights into the ecological challenges and trade-offs encountered by these…

Q: The fast block to polyspermy in sea urchins (a) is a depolarization of the egg plasma membrane (b)…

A: The egg's blocks to polyspermy (fertilization of an egg by more than one sperm) were originally…

Q: A promising biological method for insect controlinvolves the release of insects that could…

A: Translocation refers to a specific type of chromosomal rearrangement in which part of a chromosome…

Q: Use the following information to answer numerical-response question 1. Human Reproductive Systems…

A: The sex of the fetus will be decided at the time of fertilization. However, by the 7th week of…

Q: Because the reproductive success of female Hanuman langurs (Semnopithecus entellus) is almost…

A: Introduction : Infanticidal males, In order to increase their chances of having successful…

Q: What is NOT a disadvantage of internal fertilization? O the ability to reproduce on land without…

A: Step 1 Internal fertilization is syngamy or fertilization that occurs inside the body of the…

Q: What is your hypothesis for this experiment? A. Pillbugs will move away from the choice chamber…

A: Introduction Pillbug:- It is an isopod, a type of non-insect arthropod also known as a terrestrial…

Q: The graph describes the change in egg membrane potential associated with fertilization in the sea…

A: Reproduction is the process of producing a new generation of organisms from the existing ones. It…

Q: In the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for…

A: Reproduction is a process through which an organism produces organisms of similar kinds. It is of…

Q: O only menstrual cycles are affected by seasonal changes throughout the year O copulation normally…

A: Estrous and menses both are part of the ovarian cycle (cyclic in nature), these processes are needed…

Q: Question # 11. What is Recapitulation theory? What are evidences proving Von Baer concept?

A: At the dawn of the nineteenth century, naturalists were staring through microscopes in hopes of…

Q: n vitro fertilization (IVF) is a common assistive reproductive technology for couples who are…

A: c reptiles

Q: Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: For the experiment below, describe it as correlation, loss-of-function or gain-of function. Then,…

A: In biology, polyspermy states an egg that has been fertilized by more than one sperm. Diploid…

Q: How large (as a proportion of body size) should the testes of chimpanzee males be relative to…

A: The testicles are responsible for making testosterone, the essential male sex hormone, and for sperm…

Q: 2)Why are organisms that broadcast spawn useful for studying fertilization & development?

A: Spawning is the process of laying eggs

Q: Why lameness in dairy cows can affect their reproduction?

A: Note: According to bartleby policy we cannot provide you reference.     Lameness is a common…

Q: 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins…

A: The gene is the basic unit that determines the inheritance pattern of an individual. They are made…

Q: To conduct their experiment, the researchers collected L. peronii eggs from a natural stream.  After…

A: The growth and survival of frogs in their tadpole stage serve as the study's dependent variables.…

Q: In sea urchins, which of the following pairs of events most directly results in the short-lasting…

A: In sea urchins, fertilization involves multiple processes that prevent polyspermy (entry of multiple…

Q: 3. Suppost you choose the following F1 worm to transfer: a wild-type hermaphrodite that already…

A: In reproductive biology, a hermaphrodite is an organism that has complete or partial reproductive…

Q: The pesticide DDT was widely used in the 1940s as a method of insect control. In the late 1950s the…

A: BASIC INFORMATION EVOLUTION The theory of evolution was first given by the Jean Baptist de Lamark.…