Do marine reptiles have internal fertilization?
Most reptiles reproduce sexually and have internal fertilization. Reptile eggs are amniotic, so they can be laid on land instead of in water. Reptiles do not have a larval stage, and their hatchlings are relatively mature. Reptile parents provide little if any care to their young.
Why do reptiles have internal fertilization?
The offspring develops in the female and is born alive. This occurs in most mammals, some cartilaginous fish, and a few reptiles. Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young.
What is external and internal fertilization?
External fertilization is a mode of reproduction in which a male organism’s sperm fertilizes a female organism’s egg outside of the female’s body. It is contrasted with internal fertilization, in which sperm are introduced via insemination and then combine with an egg inside the body of a female organism.
Why is external fertilization disadvantageous to animals than internal fertilization?
Hey! Here is your answer. Internal fertilisation occur in organisms like human and external fertilisation occur in organisms like frogs. Disadvantage if external fertilisation is that there is less chances of meeting of sperm and ova whereas in internal fertilisation there is more chances if fertilisation.
What are the 3 methods of internal fertilization?
Internal fertilization is characterized by sperm fertilizing the egg within the female; the three methods include: oviparity (egg laid outside female body), ovoviparity (egg held within female), and viviparity (development within female followed by live birth).
What is the major disadvantage of external Fertilisation?
Disadvantages of external fertilization include a reliance on water and the large amount of wasted sperm and eggs that never reach a corresponding gamete, even when the organisms releasing the eggs and sperm are in close proximity. Additionally, the eggs released can have no shells, as these would stop sperm.
Is external fertilization asexual?
Refer back to paragraph 10 to review external fertilization. Both are forms of reproduction, but binary fission is where a single cell divides into two (sexual), and external fertilization is where egg and sperm are released into the environment and combine to create a new organism (asexual).
What are the benefits and downsides of external fertilization?
Also, it is easier to find mates as the gametes just need to be released and can drift away with wind or water. This results in greater genetic variation. The disadvantages however, are that there is reduced chance of survival from predators and harsh environments.
What is the disadvantage of internal fertilization?
Disadvantages of internal fertilization are that there are lesser number of offspring produced at a given time because it is sometimes difficult for the male and female to come into intimate contact. Additionally, the risk of sexually transmitted diseases also increases.
What are the examples of internal fertilization?
Differentiate between internal fertilization and external fertilization.
| EXTERNAL FERTILIZATION | INTERNAL FERTILIZATION |
|---|---|
| Examples: Fish, Amphibians, and most of the Algae, etc. | Examples: Reptiles, Birds, Mammals, Bryophytes, and Tracheophytes. |
What is internal fertilization give example?
Internal fertilization is the process of fertilization that occurs inside the body of an individual. It occurs mostly in land animals. Different animals have different methods of transferring the sperms. For eg., in mammals, reptiles, and some fish, this is done by copulation.
What are the advantages of internal development?
An advantage of internal growth is that it is low risk: a business can maintain its own values without interference from stakeholders. higher production means the business can benefit from economies of scale and lower average costs.
What is internal strategy?
Internal growth strategy refers to the growth within the organisation by using internal resources. Internal growth strategy focus on developing new products, increasing efficiency, hiring the right people, better marketing etc.
What does internal development mean?
Internal development refers to growth that happens when an organisation or company uses its own resources to grow the company. The main aim of internal development is to boost sales, increase efficiency, handle customers better and generally help in expanding the company.
What is meant by internal growth?
Organic growth is also known as internal growth. It happens when a business expands its own operations rather than relying on takeovers and mergers. Organic growth can come about from: Increasing existing production capacity through investment in new capital & technology.
Is an example of internal growth strategy?
Organic (or internal) growth involves expansion from within a business, for example by expanding the product range, or number of business units and location. Organic growth builds on the business’ own capabilities and resources. For most businesses, this is the only expansion method used.
What is the difference between internal and external growth?
A business can grow in size through: Internal (organic) growth – the business grows by hiring more staff and equipment to increase its output . External growth – where a business merges with or takes over another organisation. Combining two firms increases the scale of operation.
What is the difference between internal and external growth strategies?
Internal Vs. Business growth strategies come in two types: internal and external. Internal, or organic, growth strategies rely on the company’s own resources by reinvesting some of the profits. In an external growth strategy, the company draws on the resources of other companies to leverage its resources.
What are effective substitute for internal growth strategy?
External growth (also known as inorganic growth) refers to growth of a company that results from using external resources and capabilities rather than from internal business activities. External growth is an alternative to internal (organic) growth.
What is an external growth strategy?
External growth (or inorganic growth) strategies are about increasing output or business reach with the aid of resources and capabilities that are not internally developed by the company itself. Rather, these resources are obtained through the merger with/acquisition of or partnership with other companies.
What is an example of external growth strategy?
There are many external growth strategies available to an expanding company. They include entering new markets, divesting or acquiring new business units, strategic alliances, partnering relationships and mergers.
What are different types of growth strategies?
The four main growth strategies are as follows:
- Market penetration. The aim of this strategy is to increase sales of existing products or services on existing markets, and thus to increase your market share.
- Market development.
- Product development.
- Diversification.
What are two methods of external growth in a business?
There are three methods of external growth:
- Joint venture.
- Strategic alliances.
- Mergers and takeovers.
- Franchising.
What are 3 disadvantages of mergers and takeovers?
Cons of Mergers
- Higher Prices. A merger can reduce competition and give the new firm monopoly power. With less competition and greater market share, the new firm can usually increase prices for consumers.
- Less choice. A merger can lead to less choice for consumers.
- Job Losses. A merger can lead to job losses.
- Diseconomies of Scale.
What are the indicators that a business is experiencing internal growth?
If your business is newer, then social media engagement and website traffic might be better indicators of growth than profits. On the other hand, if your business has a loyal customer base, you could look at cash flow and accounts receivable to measure progress.
Why do owners want their business to grow?
The motives for increasing in size can include: Greater sales lead to greater profit, making the firm more attractive to shareholders. Successful, growing firms are likely to increase salaries/pay bonuses to managers. Increasing output enables economies of scale, greater efficiency and lower average costs.
Is growth a good thing for all firms?
Growth is one of the basic characteristics of business which helps it earn more profits. Yet, it can be easily said that growth is not a good thing for all firms.
What is the biggest challenge for small business owners?
5 Biggest Challenges Facing Your Small Business
- Client Dependence.
- Money Management.
- Fatigue.
- Founder Dependence.
- Balancing Quality and Growth.
What do most businesses need?
5 things every successful small business needs
- Strong Business Plan. Any successful business owner will tell you, you need a strong business plan.
- Marketing Strategy. A good marketing strategy is the backbone of any business and could mean the success or failure of your company.
- Customer Focus and Engagement.
- Cash Management.
- Embrace Technology.