Zoology - PSEUDOCOELOMATE ANIMALS
... beats like a rotating wheel. a. Rotifers are highly diverse in color, size and shape; some are colonial. b. Rotifers are found worldwide _____________ distribution) with over 1,800 species known. c. Most are freshwater species but a few are _____________________ (living in salt water), _____________ ...
... beats like a rotating wheel. a. Rotifers are highly diverse in color, size and shape; some are colonial. b. Rotifers are found worldwide _____________ distribution) with over 1,800 species known. c. Most are freshwater species but a few are _____________________ (living in salt water), _____________ ...
Brush-tailed Phascogale (Phascogale tapoatafa tapatafa
... They lead solitary lifestyles with large ranges of 20 - 70 hectares for females or double that for males. The breeding season is restricted to a three week time period between mid-May to early July. Thirty days after mating, three to eight young are born. The female raises her young alone, first wit ...
... They lead solitary lifestyles with large ranges of 20 - 70 hectares for females or double that for males. The breeding season is restricted to a three week time period between mid-May to early July. Thirty days after mating, three to eight young are born. The female raises her young alone, first wit ...
Orthoptera
... American Jerusalem crickets (Stenopelmatidae) are a diverse group of large-headed desert-inhabiting species. The camel and cave crickets, including cave weta of New Zealand (Rhaphidophoridae), are common in caves and damp forests of most continents. Most of these ensiferans are wingless. In contrast ...
... American Jerusalem crickets (Stenopelmatidae) are a diverse group of large-headed desert-inhabiting species. The camel and cave crickets, including cave weta of New Zealand (Rhaphidophoridae), are common in caves and damp forests of most continents. Most of these ensiferans are wingless. In contrast ...
Chapter 15
... region at night and lay eggs, causing itching. Scratching the anal region contaminates hands and bedclothes. Eggs develop rapidly and become infective within six hours at body temperature. When swallowed, they hatch in the duodenum and mature in the large intestine. Members of this order have haploi ...
... region at night and lay eggs, causing itching. Scratching the anal region contaminates hands and bedclothes. Eggs develop rapidly and become infective within six hours at body temperature. When swallowed, they hatch in the duodenum and mature in the large intestine. Members of this order have haploi ...
Sexual reproduction
... Ovum: female gamete - usually large and nonmotile. Spermatozooan: male gamete - usually small and motile. Sexual reproduction increases genetic variation among offspring. Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings ...
... Ovum: female gamete - usually large and nonmotile. Spermatozooan: male gamete - usually small and motile. Sexual reproduction increases genetic variation among offspring. Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings ...
Chapter 46
... Altruists pass on genes indirectly by helping relatives who have copies of those genes to survive and reproduce ...
... Altruists pass on genes indirectly by helping relatives who have copies of those genes to survive and reproduce ...
Helminths (Parasitic worms) Parasitic Nematodes of Humans
... they have two sexes, male and female), but hermaphrodites occur as well Males often have additional external features at the posterior end of the worm Partners are attracted to each other by pheromones The male inserts two sclerotized copulatory spicules The sperm duct is muscular and sperm is trans ...
... they have two sexes, male and female), but hermaphrodites occur as well Males often have additional external features at the posterior end of the worm Partners are attracted to each other by pheromones The male inserts two sclerotized copulatory spicules The sperm duct is muscular and sperm is trans ...
Butterflies~RF6c1e29.TMP
... A male butterfly has several methods of determining whether he has found a female of his own species. One way is by sight. The male will look for butterflies with wings that are the correct colour and pattern. When a male sights a potential mate it will fly closer, often behind or above the female ...
... A male butterfly has several methods of determining whether he has found a female of his own species. One way is by sight. The male will look for butterflies with wings that are the correct colour and pattern. When a male sights a potential mate it will fly closer, often behind or above the female ...
here - Athens-Clarke County, GA
... U.S. Chinese mantids may inhabit grasslands, agricultural fields, woodlands, and gardens. Diet: Insects, spiders, and small vertebrates Lifespan: 6 to 9 months Reproduction: Both male and female Chinese mantids mate with multiple partners, and the young that emerge from a single egg case can have di ...
... U.S. Chinese mantids may inhabit grasslands, agricultural fields, woodlands, and gardens. Diet: Insects, spiders, and small vertebrates Lifespan: 6 to 9 months Reproduction: Both male and female Chinese mantids mate with multiple partners, and the young that emerge from a single egg case can have di ...
Section 26.1 Summary – pages 693-697
... Hermaphrodites are a type of sexual reproducing animal: These are animals that make both sperm and eggs, but they do not fertilize themselves (there would be no point if they did because their offspring would be identical to them), so they swap sperm and eggs with other hermaphrodites to produce ge ...
... Hermaphrodites are a type of sexual reproducing animal: These are animals that make both sperm and eggs, but they do not fertilize themselves (there would be no point if they did because their offspring would be identical to them), so they swap sperm and eggs with other hermaphrodites to produce ge ...
Turkey - Rolling Hills Zoo
... Wild turkeys are somewhat smaller and more slender than their domesticated counterparts. ...
... Wild turkeys are somewhat smaller and more slender than their domesticated counterparts. ...
Strong Stick Insect, Anchiale briareus
... together as long as each insect has sufficient space to hang and feed without disturbing others. An enclosure should be higher than it is wide, as stick insects like to climb upwards. Place the enclosure in a spot where it gets a bit of daylight each day, but be careful it doesn’t over heat in direc ...
... together as long as each insect has sufficient space to hang and feed without disturbing others. An enclosure should be higher than it is wide, as stick insects like to climb upwards. Place the enclosure in a spot where it gets a bit of daylight each day, but be careful it doesn’t over heat in direc ...
Haplochromis burtoni – Burton`s Mouthbrooder
... and control areas of territory and resources (food). In contrast, nonterritorial males are smaller, less aggressive, camouflage coloured and similar in appearance to females. They only gain access to food when mistaken for females. The outcome of male-male agonistic interactions influence which indi ...
... and control areas of territory and resources (food). In contrast, nonterritorial males are smaller, less aggressive, camouflage coloured and similar in appearance to females. They only gain access to food when mistaken for females. The outcome of male-male agonistic interactions influence which indi ...
Food Chain
... final moult do male spiders become sexually mature. At this point they stop feeding and spend all their time and energy trying to find a female to mate with. When a mate is found the male spiders will transfer his sperm to the female. After mating the male will either die or be eaten by the female. ...
... final moult do male spiders become sexually mature. At this point they stop feeding and spend all their time and energy trying to find a female to mate with. When a mate is found the male spiders will transfer his sperm to the female. After mating the male will either die or be eaten by the female. ...
Practice Midterm Solutions
... 3. In humans, there is a dominant allele that causes vitiligo, where small-unpigmented spots appear on the body. Also, there is a recessive allele for another gene that causes albinism, which causes the entire body to be unpigmented. Vitiligo cannot be seen in albinos. A man with vitiligo had an alb ...
... 3. In humans, there is a dominant allele that causes vitiligo, where small-unpigmented spots appear on the body. Also, there is a recessive allele for another gene that causes albinism, which causes the entire body to be unpigmented. Vitiligo cannot be seen in albinos. A man with vitiligo had an alb ...
Black-and-white Ruffed Lemur: Size: Head and body 51
... bright blue bony ridges on either side. This mimics a snarl and the brightness and size of these ridges indicates the male's age and condition. The whole is framed with bright orange chin and side-whiskers. His colours brighten when he is excited: becoming bluer on his rump and chest, and red dots m ...
... bright blue bony ridges on either side. This mimics a snarl and the brightness and size of these ridges indicates the male's age and condition. The whole is framed with bright orange chin and side-whiskers. His colours brighten when he is excited: becoming bluer on his rump and chest, and red dots m ...
Intrapopulation variation in life history traits of Boa constrictor
... operational sex ratio, based on mature individuals(potential breeders), is also close to 1 : 1, which could re ect that there is no reproductive competition in this species (Kvarnemo and Ahnesjö, 1996). Despite this, we found mating groups with one female and several males that could be competing i ...
... operational sex ratio, based on mature individuals(potential breeders), is also close to 1 : 1, which could re ect that there is no reproductive competition in this species (Kvarnemo and Ahnesjö, 1996). Despite this, we found mating groups with one female and several males that could be competing i ...
Behavior - Canyon ISD
... • Male ground squirrels kill others for females because they are only in heat for a few hours each year • Usually only occurs with individuals of the same species, and can be completely symbolic in nature ...
... • Male ground squirrels kill others for females because they are only in heat for a few hours each year • Usually only occurs with individuals of the same species, and can be completely symbolic in nature ...
Madagascar Hissing Cockroach
... out the air. They are the only insects to make sounds this way. • Enrichments at the Zoo: rearranging exhibit furniture (branches, leaves and other objects that simulate their natural habitat) Reproduction • Sexual maturity is reached at 7 months of age. • During courtship, the pair strokes each oth ...
... out the air. They are the only insects to make sounds this way. • Enrichments at the Zoo: rearranging exhibit furniture (branches, leaves and other objects that simulate their natural habitat) Reproduction • Sexual maturity is reached at 7 months of age. • During courtship, the pair strokes each oth ...
The origin of gender and sexual reproduction
... belief that sexual reproduction is the product of evolution; thus, there must be some benefit to the organism. While that attitude admits the obvious, it does not scientifically explain what that advantage might be. The conundrum of sexual reproduction leaves evolutionists baffled because the terms ...
... belief that sexual reproduction is the product of evolution; thus, there must be some benefit to the organism. While that attitude admits the obvious, it does not scientifically explain what that advantage might be. The conundrum of sexual reproduction leaves evolutionists baffled because the terms ...
EUROPEAN MANTIS Class Order Family Genus Species Insecta
... allowing praying mantises the ability to swivel its head nearly 180 degrees without having to move the remainder of the body. Their vision is enhanced with by two large compound eyes (large binocular field of vision) and three other simple eyes located between them, allowing them to spot potential p ...
... allowing praying mantises the ability to swivel its head nearly 180 degrees without having to move the remainder of the body. Their vision is enhanced with by two large compound eyes (large binocular field of vision) and three other simple eyes located between them, allowing them to spot potential p ...
Nephila clavipes (Golden Orb Weaver)
... changing of seasons (higher in warmer temperatures and lower when the temperature drops). They stay in their webs repairing and rebuilding when necessary. This species is abundant in the areas in which they occur and also be found in other areas once the temperature is adequate for its survival. REP ...
... changing of seasons (higher in warmer temperatures and lower when the temperature drops). They stay in their webs repairing and rebuilding when necessary. This species is abundant in the areas in which they occur and also be found in other areas once the temperature is adequate for its survival. REP ...
coelomate worms
... Dioecious, no sexual dimorphism Gametes do not grow or ripen in gonads = small at all times Trochophore larva ...
... Dioecious, no sexual dimorphism Gametes do not grow or ripen in gonads = small at all times Trochophore larva ...
mouth - Matthew Bolek
... Rotifers of the genus Keratella donot possess a foot. They are fast swimmers. Their lorica (shell) looks like a jigsaw puzzle and is covered with small spikes. There are long spines on each corner. The photograph shows how the cilia are grouped in ...
... Rotifers of the genus Keratella donot possess a foot. They are fast swimmers. Their lorica (shell) looks like a jigsaw puzzle and is covered with small spikes. There are long spines on each corner. The photograph shows how the cilia are grouped in ...
Phylum Mollusca - The Salty Life
... and Americans eat their fair share. From 1990 to 1995, for example, Americans ate about fifty million pounds of these popular mollusks. 2. Is It a Male or Female Oyster? Just like warm-blooded animals, oysters are either male or female. But, oysters have gonads that generate eggs, as well as sperm. ...
... and Americans eat their fair share. From 1990 to 1995, for example, Americans ate about fifty million pounds of these popular mollusks. 2. Is It a Male or Female Oyster? Just like warm-blooded animals, oysters are either male or female. But, oysters have gonads that generate eggs, as well as sperm. ...