Biology Middle School

This picture (1st image) shows a fossil of an animal called Holophagus. Holophagus lived in the ocean and gave birth to live young.

Which traits did Holophagus have? Select the traits you can observe on the fossil.

Answer choices (2nd image; can choose more than one)

; long legs
; a tail fin
; a large red lump on its head
; two fins on its back

This Picture (1st Image) Shows A Fossil Of An Animal Called Holophagus. Holophagus Lived In The Ocean
This Picture (1st Image) Shows A Fossil Of An Animal Called Holophagus. Holophagus Lived In The Ocean

Answers

Answer 1

Answer:

b) a tail fin

d) two fins on its back

Explanation:

 The traits that can be observed on the fossil of the Holophagus are a tail fin and two fins on the back. These adaptations suggest that Holophagus was well adapted for an aquatic ocean lifestyle, possibly indicating that it was a proficient swimmer.

The presence of both tail fin and back fins would have provided Holophagus with increased maneuverability and control in the water, allowing it to navigate its environment with ease.

Click the link to see what scientists learn from fossils: https://brainly.com/question/29547026

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identity the 3 types of RNA that play roles in protein synthesis in this image

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mRNA, rRNA, and tRNA are the three main types of RNA involved in protein synthesis

mRNA, rRNA, and tRNA

Identical twins share all of their genes, while fraternal twins share only half of their genes. For twins with the disorder schizophrenia, about 50% of indetical twins share the disease, while only about 10-15% of fraternal twins do. What does this tell you about the way genetic and envionmental facotrs affect schizophrenia?

Answers

Answer: The environmental factors likely interact with genetic liability negatively to produce disorders in the schizophrenic spectrum. Genetic and environmental components of the disorder are examined, as well as their interactions in producing either neurodevelopmental syndromes or schizophrenia itself.

Explanation:

The differences between identical and fraternal twins are due to how they are conceived. When identical twins are conceived, the fertilized egg splits into two, causing two separate embryos to grow. When fraternal twins are conceived, two eggs are fertilized at the same time.

Many factors normally contribute to the onset of schizophrenia

The actual causes of schizophrenia are not fully understood.

Brain chemistry: Abnormal functioning of neurotransmitters such as dopamine can cause schizophrenia.

Heredity: Schizophrenia tends to run in families. If a parent has the disorder, the offsprings are susceptible to the disease.

Answer:DizzinessExplanation:

hi guys i really need help with this. (due tomorrow)

Answers

Answer:

1- Lunar Eclipse

2- Moon phase

3- Orbit

Explanation:

1 lunar eclipse
2 moon phase
3 orbit

An ecosystem is a community of organisms interacting with other ________ and the nonliving parts of the ________.

A _________ is a specific kind of organism that can reproduce and make more of its kind.

A ______ is the role a ________ plays in its environment.

A _______ is a ______ area that has a certain climate and certain types of species. Examples of biomes are:

An animal that eats another animal is a _______. The animal being eaten is the _______.

________ is when organisms need the same resources and resources are ________.

________ is the relationship between organisms. In this relationship each organism can benefit, be unaffected, or be harmed by the other organism.

The three types of symbiosis are _________, _________, and _________.

Examples of mutualism:

Examples of commensalism

Examples of parasitism:

Answers

An ecosystem is a community of organisms interacting with other ORGANISMS and the nonliving parts of the ENVIRONMENT.

A SPECIES is a specific kind of organism that can reproduce and make more of its kind.

A NICHE is the role a SPECIES plays in its environment.

A BIOME is a GEOGRAPHICAL area that has a certain climate and certain types of species. Examples of biomes are:

An animal that eats another animal is a PREDATOR. The animal being eaten is the PREY.

COMPETITION is when organisms need the same resources and resources are LIMITED.

INTERACTION is the relationship between organisms. In this relationship each organism can benefit, be unaffected, or be harmed by the other organism.

The three types of symbiosis are MUTUALISM, COMMENSALISM, and PARASITISM.

Examples of mutualism: Pollination between plants and insects,

Examples of commensalism: epiphytes on trees,

Examples of parasitism: Ticks on mammals, tapeworms in human intestines, and mistletoe on trees.

Answer:

1) Organisms; ecosystem

2) Species

3) Niche; species

4) Biome; large; Examples of biomes: aquatic, grassland, forest, desert, and tundra

5) predator; prey

6) competition; ?

7) mutualism

8) mutualism; commensalism; parasitism.

9) Clownfish and anemones, Honeyguides and humans, Coral and algae

10) a bird making a nest in a tree, Orchids Growing On Branches, Tree frog on plants

11) mosquito biting a human, fleas on a dog

Which of the following is not an example of primary succession?
A. Lava cooling and hardening to form new rocks
B. Formation of sand dunes
C. Glaciers exposing bare rocks after melting or receding
D. Devastation of a forest after a fire

Answers

Because level cooling and hardening is not a primary succession
devestation of a forest fire
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