Compared with external fertilization, in internal...

Name: Problem 4, Chapter 51: Biology
Uploaded: 2021-07-25T08:11:34-08:00
Duration: 5 min 3 s
Channel: Bryan Valdivia
Description: Compared with external fertilization, in internal fertilization, a. male gametes have a higher chance of coming into close proximity to female gametes. b. gametes are less protected against predation or other harmful environmental factors. c. gametes typically become dessicated. d. gametes come into contact only outside the mother’s reproductive tract. e. Both b and c occur.

Compared with external fertilization, in internal fertilization, a. male gametes have a higher chance of coming into close proximity to female gametes. b. gametes are less protected against predation or other harmful environmental factors. c. gametes typically become dessicated. d. gametes come into contact only outside the mother’s reproductive tract. e. Both b and c occur.

Compared with external fertilization, in internal fertilization,
a. male gametes have a higher chance of coming into close proximity to female gametes.
b. gametes are less protected against predation or other harmful environmental factors.
c. gametes typically become dessicated.
d. gametes come into contact only outside the mother’s reproductive tract.
e. Both b and c occur.

Key Concepts

Internal Fertilization

Internal fertilization is a reproductive strategy in which fertilization occurs inside the body of the organism. This method provides a protected environment for the gametes, which increases the likelihood that the male and female gametes will come into close contact and successfully merge, thereby enhancing the chances of successful fertilization.

External Fertilization

External fertilization is a reproductive process where gametes are released into the external environment, such as water, so that fertilization occurs outside the organism's body. This exposes the gametes to various environmental hazards including predation and desiccation, reducing their viability compared to those fertilized internally.

Gamete Proximity

Gamete proximity refers to the closeness of male and female gametes during the fertilization process. In internal fertilization, the confined environment within the reproductive tract increases the chances of the gametes meeting, whereas in external fertilization, dispersion in the environment can result in fewer encounters between gametes.

Environmental Protection

Environmental protection in reproduction refers to safeguarding gametes against harmful external factors such as predators and desiccation. Internal fertilization inherently provides this protection by ensuring gametes are less exposed to enemy organisms and adverse climatic conditions, unlike in external fertilization where such risks are significantly higher.

Transcript

00:01 Okay, in order to talk about the differences between internal fertilization and external fertilization.

00:18 The name of both of them is giving us practically the definition.

00:24 Internal fertilization refers to the fusion of gametes, gametes, potion of gametes inside the female organism, during sexual reproduction.

00:41 And what is external fertilization? well, it is the fusion.

00:47 It refers to the fusion of gametes outside the female organism, during sexual reproduction.

01:00 This is one difference between them.

01:02 It means practically what the name of both of them is the negas.

01:06 So in internal fertilization, it is going to occur inside the female organism, and in external fertilization, it's going to cure outside of a female organism.

01:17 Another difference, it is that in external fertilization, it is going to occur in the external environment.

01:32 Okay, and because it is occurring outside of the female organism, then it is going to show a lower survival grade because it is going to be more exposed to predator, for example.

01:48 Okay, in contrast to this, the internal fertilization, internal fertilization, in contrast to external fertilization, it is going to be divided into three methods for this type of fertilization.

02:04 And they are this oviparity, then also viparity, and finally, ovobarity.

02:23 Okay.

02:24 All of these types are going to occur inside a female organism.

02:28 For example, oviparity is going to involve eggs, okay, eggs production.

02:35 So because of they occur inside a female organism, they are going to show high survival gates for the embryo...

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